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GENERAL METALS & POLYMERS
OFFICE: 12-A2/2, AFCO, L.I.C. COLONY, BORIVLI (W), MUMBAI - 400103, INDIA
REGD. ADD: UNIT NO. 22...
India’s Leading Manufacturer and Exporter of Cutless Rubber Bearings
General Metals & Polymers
•

Established in 1979, General Metals & Polymers is an ISO 9001:2008 certified
organization, a ...
GMP Cutless Bearings
•

GMP bearings are used in marine industry for propeller shaft stern tubes, rudder
bearings and indu...
High Performance Marine bearings
•

GMP bearings are proven in the toughest marine enjoinments since 1979.

•

Environment...
GMP Range of Bearings
Cylindrical

Flanged
Cylindrical and Flanged Sleeve.
Spiral

Fluted

The inside rubber lining is Flu...
Types of GMP Bearings

GMP Flanged Bearing

GMP Metal Sleeve Bearing
(Brass/Bronze/Stainless Steel)

GMP Split bearing

GM...
Non Metal Sleeve Materials
•

GMP Phenolic Bearings are made of proprietary composite materials
developed by our in house ...
Metal Sleeve Materials

GMP Brass Bearing

Grades:
LCB-1 (IS: 292)
LCB-2 (BS 1400)
DCB-1 BS 1400)
DCB-3 BS 1400)
ASTM B-13...
GMP Flanged Bearings
•

Our Flanged Bearings are cast centrifugally with
an integral flange, the shells are heavy walled.
...
GMP Split bearing
•

Designed for easy fitment and extraction in
bronze or stainless steel

•

Shells are precision machin...
GMP Quality
Testing and quality control is conducted at our lab equipped for
•Tensile testing
•Elongation testing
•Abrasio...
A few of our Customers
GMP bearings samples
GENERAL METALS & POLYMERS

GMP PUMP BEARINGS
DRY START UP RUN UPTO 2 MIN
HIGH RESISTANCE TO SAND WEAR
CLOSER RUNNING CLEAR...
WHY RUBBER BEARINGS ARE PREFERRED FOR VERTICAL PUMPS
1.

LOW FRICTION: At operating shaft speeds, coefficient of friction ...
MANUFACTURING

DESIGN

1. Outer shell: Cast or extruded brass or SS
tubes
2. Bonding surface: Shell bore is grooved to
inc...
Rubber bearings have nearly 100 years proven in record as the most suitable water lubricated
bearings. The efficiency of w...
GENERAL METALS & POLYMERS

Materials
Non Ferrous Shell
Gun Metal - B.S. 1400 - LG 2
Gun Metal - B.S. 1400 - SAE-660
Naval ...
AND INDUSTRIAL BEARINGS IN mm & inches

Sr. Shaft
Outer
Bush
Bush
Brass Shell Composite
No. Diameter Diameter Full length ...
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General Metals & Polymers, Mumbai , Cutless Rubber Bearings

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Suppliers of Flanged Rubber Bearings In Bronze Or S.S. Shell, Metal Sleeve Rubber Bearings In Bronze, S.S. Shell And Hard Composite Sleeve Rubber Bearings.These

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General Metals & Polymers, Mumbai , Cutless Rubber Bearings

  1. 1. GENERAL METALS & POLYMERS OFFICE: 12-A2/2, AFCO, L.I.C. COLONY, BORIVLI (W), MUMBAI - 400103, INDIA REGD. ADD: UNIT NO. 22 / 23, HIGHWAY INDUSTRIAL PREMISES CO-OP. SOCIETY LTD., SATIVALI, VASAI (E), TALUKA: VASAI, DISTRICT: THANE - 401208, MAHARASHTRA, INDIA. PHONE: 0091 22 6570 5689 Tele. Fax: 0091 22 2895 7212 e-mail: icongmp@vsnl.com Mfrs.: Rubber Bearing Bushes, Established In 1979 GENERAL METALS & POLYMERS Profile Established in the year 1979, “General Metals & Polymers”, is India’s leading manufacturer and exporter of Water Lubricated Rubber Bearings / Cutless Rubber Bearings. Our range of bearings includes Metal (Brass, Bronze or Stainless Steel) and non metal (Hard Composite) Shell with rubber lining in Nitrile or Neoprene, with or without flange. Our products find usage in vertical pumps and marine industry for propeller shaft stern tubes and rudder bearings. Our bearings cover a wide range of shaft diameters from 25mm to 400mm. (Bespoke sizes can also be made on request). Our bearings are precisely designed and manufactured by adept professionals, using finest grade synthetic rubber, rubber chemicals, ferrous & non ferrous metals. Owing to premium grade material used and skilled workmanship our bearings have precision construction, wear resistance and longer life. Further General Metals & Polymers is an ISO 9001:2008 certified organization. General Metals & Polymers has a state of the art manufacturing facility at Vasai, Maharshtra. This facility is equipped with moulding presses, turning and grinding machines that support us in manufacturing bearings in bulk quantity. Moreover, as a result of our vast production facility, we have are able to maintain installed capacity of bearings consistently to 10000 pcs per month. With an aim to facilitate clients with flawless products, we conduct physical & chemical test of rubber and metals before manufacturing and dimensional stability check of every finished bearing before dispatch. Testing and quality control is conducted at our lab equipped for tensile testing, elongation testing, abrasion testing, friction testing, and swelling testing and also dimension checking equipment and gauges. With a pristine track record for high quality and on time delivery, we have garnered a vast customer-pool across the markets of North Europe, Middle East, India and Indian Subcontinent. Some of our clients are Teignbridge UK, Teignbridge UAE, BT-Marine UK, Expert United UAE, BT-Marine Netherlands, Tamkeen Indl. KSA, Tata Power, Reliance Energy, JSW Power, Jaypee power, NTPC, etc. and OEM’s such as BHEL, Clyde Union, WEIR, Voltas, Mather & Platt, etc. Contact: Noel Menezes +91 9833362482 noel@gmp.net.in
  2. 2. India’s Leading Manufacturer and Exporter of Cutless Rubber Bearings
  3. 3. General Metals & Polymers • Established in 1979, General Metals & Polymers is an ISO 9001:2008 certified organization, a manufacturer and exporter specialising in Cutless rubber bearings. • GMP has been supplying Cutless bearings to Pump manufactures, Shipping companies, Ship repair and marine spare companies, OEM’s, OMS’s & maintenance companies all across India, Middle East, Europe and Australia for over 30 years. • GMP is the first Indian company to indigenously develop WATER LUBRICATED BEARINGS for the Indian Navy in 1981
  4. 4. GMP Cutless Bearings • GMP bearings are used in marine industry for propeller shaft stern tubes, rudder bearings and industrial vertical pumps covering a wide range of shaft diameters from 25mm to 400mm. (bespoke sizes can be made on request) • GMP bearings are used in - Marine propeller stern tubes - Cooling Water & ACW Pumps - Rudder bearings - Condensate Extract Pumps - Vertical turbine Pumps - Desalination Plant Pumps
  5. 5. High Performance Marine bearings • GMP bearings are proven in the toughest marine enjoinments since 1979. • Environmentally safe, Non Hazardous and Economical. • High resistant to abrasion, corrosion and swelling in sea water. • Resistance to shock and edge loading • Specially formulated nitrile rubber that makes it extremely tough, chemical and oil resistant with very low friction. • Offers class leading resistance to abrasion and wear, even in the most adverse conditions.
  6. 6. GMP Range of Bearings Cylindrical Flanged Cylindrical and Flanged Sleeve. Spiral Fluted The inside rubber lining is Fluted or Spiral Circular Polygonal Fluted in Circular or Polygonal Profile. Available in metal or composite outer sleeve with Nitrile or Neoprene rubber lining.
  7. 7. Types of GMP Bearings GMP Flanged Bearing GMP Metal Sleeve Bearing (Brass/Bronze/Stainless Steel) GMP Split bearing GMP Composite Sleeve Bearing
  8. 8. Non Metal Sleeve Materials • GMP Phenolic Bearings are made of proprietary composite materials developed by our in house R&D team. • GMP Phenolic bearings can match the temperature range of other rigid alternate bearing materials to function at temperatures from -4°C to 70°C • High temperature resistance and negligible swelling characteristics of GMP composite rubber bearings enable them to operate at a closer running clearance than any other bearing material. Abrasion measured according to DIN 53516 - RT(mm3 loss) : 30-80 & 150°C(mm3 loss) : 50-80. • GMP composite bearings allow a dry start up of 2 min • GMP Phenolic bearings are widely exported to Europe, Middle East and Australia.
  9. 9. Metal Sleeve Materials GMP Brass Bearing Grades: LCB-1 (IS: 292) LCB-2 (BS 1400) DCB-1 BS 1400) DCB-3 BS 1400) ASTM B-135 C-27200 GMP Stainless Steel Bearing Grades: SCS 23 AISI 316 SS 316 ASTM A276, UNS S32205 ASTM A890-4A, UNS J92205 GMP Bronze Bearing Grades: LTB-1 (IS: 318) LTB-2 (IS: 318) LG-1 (BS 1400) LG-2 (BS 1400)
  10. 10. GMP Flanged Bearings • Our Flanged Bearings are cast centrifugally with an integral flange, the shells are heavy walled. • The flange provides structural strength to retain bearing and prevent rotation in housing. • Shells are furnished un-drilled unless specified. • Available in solid and split design.
  11. 11. GMP Split bearing • Designed for easy fitment and extraction in bronze or stainless steel • Shells are precision machined with keystone or dovetail races. • Longitudinal water grooves run the full length of the shell to provide optimum water flushing and lubrication
  12. 12. GMP Quality Testing and quality control is conducted at our lab equipped for •Tensile testing •Elongation testing •Abrasion testing •Friction testing •Swelling testing The QC department is equipped with dimension checking equipment and gauges.
  13. 13. A few of our Customers
  14. 14. GMP bearings samples
  15. 15. GENERAL METALS & POLYMERS GMP PUMP BEARINGS DRY START UP RUN UPTO 2 MIN HIGH RESISTANCE TO SAND WEAR CLOSER RUNNING CLEARANCE BEARING LENGTH FLANGE THICKNESS BEARING FLANGE DIAMETER RUBBER BEARING OUTSIDE DIAMETER METAL I.D. METAL THICKNESS FLUTE WIDTH FLUTE DEPTH SHAFT DIAMETER Water Lubricated Rubber Bearings for Industrial Pumps
  16. 16. WHY RUBBER BEARINGS ARE PREFERRED FOR VERTICAL PUMPS 1. LOW FRICTION: At operating shaft speeds, coefficient of friction between wet rubber and metal matches that of ball bearings (0.005) 2. WATER WEDGE FORMATI ON: Even at slow shaft surface speeds (1.2 mtrs/sec), a hydrodynamic film is formed at the rubber-metal interface due to non compressibility of water and its tendency to adhere to metal while not adhering to rubber. This results in great reduction of friction, wear and heat. 3. WEAR RESISTANT RUBBER: The softness of rubber helps reduce shaft/sleeve wear while the toughness of rubber protects the bearing itself from wearing off. 4. REDUCTION IN VIBRATION & NOISE: Vertical pumps have number of stages and long shafts without adequate structural support below mounting floor. This makes the system flexible at operating speeds of the shaft and can cause high vibration and noise. Unlike rigid bearings, soft and wear resistant rubber bearings can absorb and reduce the vibration greatly. Vibration damping quality of rubber bearings is a very important factor that cannot be overlooked in a flexible vertical pump system. 5. ACCOMMODATES MINOR MISALIGNMENT AND IMBALANCE: Even a well aligned and balanced system tends to loose its balance over a period of operation on account of the uneven wear of movable parts. Unlike rigid bearings, resilience of rubber can accommodate minor imbalances. The flexibility of rubber also permits the shaft GMP PUMP BEARING to turn on its center of rotation even when it is eccentric with its geometric center. 6. LOW SHAFT/SLEEVE WEAR BY SAND & SILT: The sand particles get pressed by the harder metal sleeve into the softer rubber and roll into the grooves by the rotary motion of the sleve. The water flow flushes out the sand particles. WATER GROOVE SHAFT ROTATION SAND METAL SHAFT IN LIGHT OF NEW DEVELOPMENTS IN RUBBER TECHNOLOGY Replacing flexible rubber which can control shaft wear and vibration with rigid bearing material is no more desirable. To day rubber without sacrificing vibration damping and wear resistant properties can operate at closer running clearance and allow start up dry run upto 2 min. 1. HIGH TEMPERATURE RESISTANCE: GMP COMPOSITE RUBBER BEARINGS can match the temperature range of other rigid alternate bearing materials to function at temperatures from -40°C to 150°C. 2. CLOSER RUNNING CLEARANCE: High temperature resistance and negligible swelling characteristics of GMP composite rubber bearings enable them to operate at closer running clearance than any other bearing material. Abrasion measured according to DIN 53516 - RT(mm3 loss) : 30-80 & 150°C(mm3 loss) : 50-80. 3. LONGER DRY START UP: GMP composite bearings allow a dry start up of 2 min which is adequate for vertical pumps. 4. G M P P U M P B E A R I N G S C A N D O I T : Inherent qualities of rubber like flexibility, vibration damping, and wear r e s i s t a n c e h a v e b e e n factored while making vertical pumps used by you. Now GMP COMPOSITE RUBBER BEARINGS have acquired the capability to operate at higher temperatures without sacrificing the qualities of rubber for dry run and closer running clearance.
  17. 17. MANUFACTURING DESIGN 1. Outer shell: Cast or extruded brass or SS tubes 2. Bonding surface: Shell bore is grooved to increase surface area 3. Bonding: Chemical bonding 4. Rubber compound: Nitrile, neoprene, HNBR, Composites 5. Molding process: Transfer molding at 170°C and upto 150 kg/sq cm pressure 6. Machining: Internally and externally turned and ground 7. Checking: Gauge measurements internally. Dial gauge checking externally 8. Packing: Impact and weather resistant packing 1. Min. Bearing Area: 50% of the rubber surface 2. Max. Load: < 0.0246 kg/sq. mm. of inside area Load calculation: Total Load (kg/sq mm) ÷ [Length bearing in mm x inside dia in mm] 3. Lubricating water flow: (Min) Shaft dia in cm x 3.5 liters/min 4. Groove shape: Polygonal or 'V', 'U' in circular with sharp edges rounded off Circular Polygonal TESTING Shell material tested for chemical and physical properties Rubber tested for bonding, abrasion, swelling, tensile strength and elongation DESIGN SUPPORT GUIDE FOR BRASS OR SS SHELL BEARINGS THICKNESS +/- 10% GROOVES GROOVE WIDTH +/- 10% GROOVE DEPTH +/- 10% LENGTH +/- 10% C (MM) D (No.) E (MM) (A*3.14)*40% D F (MM) B*70% G (MM) A*1.5 3 3.5 4 4.5 5 6 8.5 10.5 12.5 4-6 6-8 8 8 8-10 8-10 10-12 10-12 10-12 SHAFT SLEEVE DIA RUBBER SHELL A (MM) B (MM) 4.5 6.5 8.5 10 11.5 12 13 14.5 16.5 15 - 25 25 - 50 50 - 75 75 - 100 100 - 125 125 - 150 150 - 170 170 - 200 200 - 230 3.14 4.71 8.63 12.56 13.18 13.6 11.51 16.14 18.84 – – – – – – – – – 5.2 7.85 11.77 15.7 15.7 15.7 17.79 17.94 20.63 3.15 4.55 5.95 7 8.05 8.4 9.1 10.15 11.55 22.5 – 38.1 60 – 100 110 – 150 160 – 200 210 – 250 260 – 300 220 – 340 260 – 400 420 - 460 RUNNING CLEARANCE SHAFT DIAMETER mm 19.050 22.225 25.400 28.575 31.750 34.925 38.100 41.275 44.450 47.625 50.800 53.975 57.150 60.325 63.500 66.675 69.850 73.025 76.200 79.375 SHAFT CLEARENCE mm O.D. TOLERANCE mm +0.05 / 0.18 + 0.08 / 0.23 ±0.03 +0.10 / 0. 25 +0.13 / 0.28 +0.18 / 0.36 ±0.05 SHAFT DIAMETER mm 82.550 85.725 88.900 92.075 95.250 98.425 101.600 104.775 107.960 111.125 114.300 117.475 120.650 123.825 127.000 133.350 136.525 139.700 142.875 146.050 SHAFT CLEARENCE mm O.D. TOLERANCE mm +0.18 / 0.36 +0.20 / 0.38 +0.20 / 0.43 ±0.05 SHAFT DIAMETER mm 149.225 152.400 158.750 165.100 171.450 177.800 184.150 190.500 196.850 203.200 209.550 215.900 222.250 228.600 234.950 241.300 247.650 254.000 260.350 266.700 SHAFT CLEARENCE mm O.D. TOLERANCE mm +0.20 / 0.43 ±0.05 ±0.13 +0.20 / 0.46 +0.23 / 0.53 SHAFT DIAMETER mm SHAFT CLEARENCE mm 273.050 279.400 285.750 292.100 298.450 304.800 311.150 317.500 323.850 330.200 336.550 342.900 349.250 355.600 361.950 368.300 374.650 381.000 +0.23 / 0.53 +0.23 / 0.61 +0.23 / 0.64 O.D. TOLERANCE mm
  18. 18. Rubber bearings have nearly 100 years proven in record as the most suitable water lubricated bearings. The efficiency of water lubricated rubber bearings encouraged industrial pump designers to adopt them in vertical shaft water pumps. Today, most vertical pumps in use as well as those being designed have rubber bearings as standard components. In addition to bearing qualities rubber greatly reduces vibration and wear of shaft by abrasive particles in the medium. Established in 1979, GMP is manufacturing to ISO 9001:2008 quality system requirements. With over 30 years experience in design and manufacture of water lubricated rubber bearings – GMP PUMP BEARINGS are recognised for their quality & performance in standard and non-standard sizes. Our location and local support team enables a faster response for your requirements. GMP PUMP BEARING APPLICATIONS: Ash Handling Plant Pumps Condensate Extract Pumps Cooling water & ACW Pumps Desalination Plant Pumps Irrigation Water Pumps YOUR LOCAL GMP DISTRIBUTOR GENERAL METALS & POLYMERS 12,A2/2 AFCO,L.I.C.COLONY,BORIVALI (W),MUMBAI -400 103,INDIA.Telefax : +91 (22) 2895 7212 • Tel. No. : +91 (22) 6570 5689 Email : icongmp@vsnl.com • www.gmp.net.in
  19. 19. GENERAL METALS & POLYMERS Materials Non Ferrous Shell Gun Metal - B.S. 1400 - LG 2 Gun Metal - B.S. 1400 - SAE-660 Naval Brass - B.S. 2781 - Cz112 Non Metal Shell - Phenolic (Rubber based) Bearing Lining material: Nitrile Rubber Resistant to Oil Resistant to Water Swell Resistant to Wear Resistant to Heat Material: Properties : NITRILE RUBBER Static Load Capacity Dynamic Load capacity Hardness Tensile Strength Modulus Elongation Break Tear Strength Compression Set : : : : : : : : =4 [N/mm2] =35 [m/s] 65-75 Shore-A 11 MPa 3.7@100%(MPa) 250% 22 MPa 20(22hrs@70°C) Bearing selection : Normally bearing length is 4 times of shaft diameter. Deviations are acceptable if load requirements permit. Load Capacity is 35 psi x Bearing Area. Bearing Area = Shaft Ø x Bearing length. Example in Metric size : Shaft dia 100 x length 400 = 40000 sq.mm. Bearing Area. Load Capacity = 40000 sq.mm x 0.0246 kg/sq.mm = 984 kg. Example in Imperial Size : Shaft dia 3.937” x length 15.748” = 62” sq.inch. Bearing Area. Load Capacity = 62 sq.inch x 35 kg/sq.in = 2170 lbs. Established in 1979, GMP have over three decades of experience in the manufacture of Rubber Bearings for propeller shafts of marine vessels and impeller shafts of pumps. Smooth rubber surface, when lubricated with water, matches the extremely low friction of oil lubricated metal bearings like ball bearings. To this inherent property of rubber other essential bearing qualities are added at GMP by skillful engineering and processing. Thus GMP Bearings are resistant to wear, corrosion and swelling in sea water. They absorb shock and vibration. Their grooves are designed for optimum water flow to cushion the shaft. They are tough enough to meet the load and their strong bonding is fail-safe. In the manufacture of GMP Bearings US Navy specifications are followed as standard. OUR RANGE MARINE & INDUSTRIAL RUBBER BEARINGS Cylindrical Flanged Fluted Spiral Circular Polygonal with BRASS SHELL or COMPOSITE POLYMER SHELL with NITRILE or NEOPRENE Rubber Lining in CYLINDRICAL OR FLANGED SHELLS with FLUTED OR SPIRAL GROOVES and CIRCULAR OR POLYGONAL BEARING SURFACE GENERAL METALS & POLYMERS GENERAL METALS & POLYMERS No. 12, AFCO, A- 2/ 2, L. I. C. Colony, Borivli (West) Mumbai - 400103, India Mobile: +91 9967648124 Tel: +(91) - (22) - 65705689 Telefax: +(91) - (22) - 28957212 Email: icongmp@vsnl.com Website: www.gmpbearings.com No. 12, AFCO, A- 2/ 2, L. I. C. Colony, Borivli (West) Mumbai - 400103, India Mobile: +91 9967648124 Tel: +(91) - (22) - 65705689 Telefax: +(91) - (22) - 28957212 Email: icongmp@vsnl.com Website: www.gmpbearings.com RUBBER BEARING BUSHES MARINE & INDUSTRIAL
  20. 20. AND INDUSTRIAL BEARINGS IN mm & inches Sr. Shaft Outer Bush Bush Brass Shell Composite No. Diameter Diameter Full length Half Length Thickness shell Thickness Sr. No. Shaft Diameter Outer Diameter Bush Length Brass Shell Composite shell Thickness Thickness 40 55 160 78 3 4 1 2 3 8 1/8 3/16 2 45 65 180 88 3 5 2 2 1/8 3 1/8 8 1/2 1/8 3/16 3 50 70 200 98 3 5 3 2 1/4 3 1/8 9 1/8 3/16 4 55 75 220 108 3 5 4 2 1/4 3 3/8 9 1/8 3/16 2 3/8 3 3/8 9 1/2 1/8 3/16 6 65 85 260 128 3 5 6 2 1/2 3 3/8 10 1/8 3/16 7 70 90 280 138 3 5 7 2 3/4 3 3/8 10 1/2 1/8 3/16 8 75 95 300 148 3 5 8 2 7/8 3 3/4 11 1/2 1/8 3/16 9 3 3 3/4 12 1/8 3/16 10 3 4 12 1/8 3/16 11 3 1/8 4 1/4 12 1/2 1/8 3/16 12 3 1/4 4 13 1/8 3/16 13 3 3/8 4 1/2 13 1/2 1/8 3/16 14 3 1/2 4 1/4 14 1/8 3/16 15 3 5/8 4 1/2 14 1/2 1/8 3/16 16 3 3/4 4 1/2 15 1/8 3/16 100 320 158 3 5 10 85 105 340 168 3 5 11 90 110 360 178 3 5 12 95 115 380 188 3 5 13 100 125 400 198 4.75 6 14 105 130 420 208 4.75 6 15 110 135 440 218 4.75 6 16 115 145 460 228 4.75 7 17 3 7/8 5 1/4 15 3/16 1/4 17 120 155 480 238 6.25 7 18 4 5 16 3/16 1/4 18 125 165 500 248 6.25 8 19 4 1/2 5 1/4 16 1/6 3/16 1/4 19 130 170 520 258 6.25 8 20 4 1/2 5 1/2 18 3/16 1/4 20 135 170 540 268 6.25 8 21 5 6 1/8 20 1/4 5/16 21 140 180 560 278 6.25 9 22 5 6 1/2 20 1/4 5/16 22 145 180 580 288 6.25 9 23 5 1/2 6 3/4 22 1/4 5/16 23 150 190 600 298 6.25 9 24 5 7 1/2 24 1/4 5/16 24 155 190 620 308 6.25 9 25 6 1/8 7 1/2 25 1/4 5/16 BUSHES ARE AVAILABLE FOR HIGHER SHAFT DIA. AND NON STANDARD DIMENSIONS * LENGTH OF FORWARD BUSHES WILL BE 1/16" SHORTER THAN HALF MARINE SHAFT CLEARANCE 80 SHAFT DIAMETER 9 inches 0.070 0.081 0.100 0.107 0.120 0.124 0.131 0.142 0.148 0.153 0.157 0.164 0.165 0.175 5 mm 1.78 2.06 2.54 2.72 3.05 3.15 3.33 3.61 3.75 3.89 4.00 4.17 4.20 4.45 3 inches 0.003 to 0.008 0.004 to 0.010 0.006 to 0.012 0.007 to 0.014 0.008 to 0.015 0.010 to 0.017 0.012 to 0.019 0.015 to 0.022 0.017 to 0.025 0.020 to 0.029 0.022 to 0.032 0.024 to 0.034 0.025 to 0.035 0.027 to 0.037 118 mm 0.08 to 0.2 0.1 to .25 0.15 to 0.3 0.18 to 0.36 0.2 to 0.39 0.25 to 0.43 0.3 to 0.48 0.38 to 0.56 0.43 to 0.64 0.51 to 0.74 0.56 to 0.81 0.61 to 0.86 0.64 to 0.89 0.69 to 0.94 240 inches 0.750 to 1.375 1.5 to 2 2 to 2.375 2.375 to 3 3 to 3.75 3.75 to 4.375 4.375 to 5 5 to 5.375 5.375 to 6 6 to 6.375 6.375 to 6.75 6.75 to 7.25 7.375 to 7.625 7.75 to 8.25 80 mm 20 to 35 36 to 50 51 to 60 61 to 75 76 to 95 96 to 110 111 to 125 126 to 135 136 to 150 151 to 160 161 to 170 171 to 185 186 to 195 196 to 210 60 REPLACE - MENT CLEARANCE 5 5 O.D. TOLERENCE CYLINDERICAL 1 ±0.13 ±0.005 ±0.10 ±0.004 Outer shell - BRASS or COMPOSITE Rubber Lining - NITRILE or NEOPRENE 0.05 ±0.002 ±0.08 ±0.003 Outer shell - BRASS or COMPOSITE Rubber Lining - NITRILE or NEOPRENE ±0.03 ±0.001 CLEARANCE & TOLERANCES FOR MARINE mm inches mm inches CATALOGUE - inch Series O.D. TOLERENCE FLANGED CATALOGUE - m.m. Series * Use plug gauges for bore measurement. * Bearings made by G.M.P are inspected for compliance with the prescribed tolerances. .

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