WRAPPED BRONZE BUSHINGS

WRAPPED BRONZE BUSHINGS

INTRODUCTION JIASHAN ZHONGDA BEARING CO., TD. AND JIAXING COB BEARING INC. IS SPECIAIZED IN RESEARCHING, DEVEOPING AND MANUFACTURING OIESS BEARINGS. NEW ERA PROVIDES SPACE TO DEVEOP AND SCIENCE PROVIDES POWER TO GROW. MEMBERS OF ZHONGDA ARE READY TO FACE CHAENGE, COMPETITION AND ARE EAGER TO MAKE PROGRESS. WE HAVE BEEN EMPHASIZED HIGH QUAITY AND WI NEVER GIVE UP IMPROVING OUR WORK UNDER THE STANDARDS OF ISO 92, QS 9 AND VDA 6.1. ZHONGDA PROMISES TO OFFER YOU HIGH QUAITY PRODUCTS AND SATISFACTORY SERVICES. AFTER MORE THAN TEN YEARS' UPS AND DOWNS, WITH THE EFFORTS OF OVER THREE HUNDRED MEMBERS, ZHONGDA NOW BECOMES ONE OF THE ARGEST OIESS BEARINGS MANUFACTURERS IN CHINA WITH SCIENCE, INDUSTRY AND TRADE.

COB 9 WRAPPED BRONZE BUSHINGS INTRODUCTION OF COB 9(FB9) STRUCTURE OF THE MATERIA Using high-density brnze material rlled diamnd shape r spherical il pckets n the surface with a special cmpsitin as its backing, COB 9 bushing has a gd perfrmance f anti-fatigue and anti-abrasin as well as anti-crrsin. CHEMICA COMPOSITION MATERIA Cu Sn P Pb Zn CuSn8 91.3% 8.5%.2% PHYSICA PROPERTY TYPE DENSITY COEFFICIENT OF THERMA EXPANSION 2 C~3 C) THERMA CONDUCTIVITY HARDNESS TENSIE STRENGTH R m EONGATION A COB 9 3 8.8g /cm -6-1 18.5*1 *k 58w(m*k) 9~12HB 2 47N/mm 4% FIED OF APPICATION This series f prducts is widely used in agricultural, cnstructin and engineering machinery, etc. TYPES OF OI POCKETS (ACCORDING TO DIN 1494 / ISO 47) 17 17 23 17 17 2 2 4.8 13.5 4.5 4.5 1.9 2.4 3.4.2 3.6.2 2.5.4.2 Diamnd shape fr bushings with inside diameter 22 Diamnd shape fr bushings with inside diameter 22 Spherical shape 1

COB 9 WRAPPED BRONZE BUSHINGS STANDARD SIZES OF COB 9 (FB9) WRAPPED BRONZE BUSHINGS d S. D SPIT 5 C 2.3 INSIDE AND OUTSIDE CHAMFER DIMENSIONS S C 1 C 2 1.6.4 max..4 2 5 C 1 1.5.6.4.4.3 Z 2 1.2.4.4.3 When d mm,.5 Magnify at "Z" 2.5 1.8.6.6.4 STANDARD BUSHING TOERANCE BASIC DIMENSION 1 ~ 18 18 ~ 3 3 ~ 5 5 ~ ~12 12~1 1~ ~3 O.D.DIMENSION D..3.75..85...55.12.7.17..21.13.2.17 (ACCORDING TO DIN 1494 / ISO 47) MATCHED HOUSING D H (H7).18.21..3..4.46.52 I.D.DIMENSION d (H9).43.52.62.74.87..1.13.16.43.2.53..64.3.76.36.9.43.16.5.122.56.137 MATCHED SHAFT DIAMETER d(f8)* 1 Nte: * tlerance f8 fr shaft diameter f bushing in installatin. 2

COB 9 WRAPPED BRONZE BUSHINGS COB 9 B 11 D 1 COB 9 B 282 D 2 COB 9 B 1 D 1 12 COB 9 B 28 D COB 9 B 12 D 2 COB 9 B 283 D 28 31 3 COB 9 B 121 D 1 COB 9 B 284 D 4 COB 9 B 12 D 12 14 COB 9 B 285 D 5 COB 9 B 122 D 2 COB 9 B 3 D COB 9 B 141 D 1 COB 9 B 32 D 2 COB 9 B 14 D COB 9 B 3 D COB 9 B 142 D 14 16 2 COB 9 B 33 D 3 34 3 COB 9 B 14 D COB 9 B 34 D 4 COB 9 B 143 D 3 COB 9 B D 5 COB 9 B 1 D 1 COB 9 B 3 D COB 9 B D COB 9 B 322 D 2 COB 9 B 2 D 17 2 COB 9 B 32 D COB 9 B D COB 9 B 3 D 3 COB 9 B 323 D COB 9 B 324 D 32 36 3 4 COB 9 B 161 D 1 COB 9 B 3 D 5 COB 9 B 16 D COB 9 B 32 D COB 9 B 162 D 16 18 2 COB 9 B 2 D 2 COB 9 B 16 D COB 9 B D COB 9 B 163 D COB 9 B 181 D 3 1 COB 9 B 3 D COB 9 B 4 D 39 3 4 COB 9 B 18 D COB 9 B 5 D 5 COB 9 B 182 D 18 21 2 COB 9 B D COB 9 B 18 D COB 9 B 42 D 2 COB 9 B 21 D 1 COB 9 B 4 D COB 9 B 2 D COB 9 B 22 D COB 9 B 2 D 2 23 2 COB 9 B 43 D COB 9 B 44 D COB 9 B D 4 44 3 4 5 COB 9 B 23 D 3 COB 9 B 4 D COB 9 B 24 D 4 COB 9 B D COB 9 B 22 D COB 9 B 3 D 3 COB 9 B 222 D COB 9 B 22 D COB 9 B 223 D 22 2 3 COB 9 B 4 D COB 9 B 5 D COB 9 B D 5 4 5 COB 9 B 224 D 4 COB 9 B D COB 9 B 2 D 5 COB 9 B 5 D COB 9 B D COB 9 B 53 D 3 COB 9 B 2 D COB 9 B D COB 9 B 3 D 28 2 3 COB 9 B 54 D COB 9 B 55 D COB 9 B 5 D 5 55 4 5 COB 9 B 4 D 4 COB 9 B 5 D COB 9 B 5 D COB 9 B 28 D 28 31 5 COB 9 B 55 D COB 9 B 553 D 55 3 3

COB 9 WRAPPED BRONZE BUSHINGS COB 9 B 554 D COB 9 B 555 D COB 9 B 55 D 55 4 5 COB 9 B 9 D COB 9 B 9 D COB 9 B 3 D 9 3 COB 9 B 55 D COB 9 B 4 D 4 COB 9 B D COB 9 B 5 D 5 COB 9 B 3 D COB 9 B 4 D COB 9 B 5 D 3 4 5 COB 9 B D COB 9 B D COB 9 B 9 D 9 COB 9 B D COB 9 B D COB 9 B D COB 9 B D COB 9 B D COB 9 B 3 D 3 COB 9 B 3 D 3 COB 9 B 4 D 4 COB 9 B 4 D COB 9 B 5 D 7 4 5 COB 9 B 5 D COB 9 B D 5 COB 9 B D COB 9 B D COB 9 B D COB 9 B D COB 9 B 7 D COB 9 B D COB 9 B 73 D 3 COB 9 B D 11 COB 9 B 74 D COB 9 B 75 D 7 75 4 5 COB 9 B D COB 9 B 11 D COB 9 B 7 D COB 9 B 11 D 11 1 COB 9 B 7 D COB 9 B 11 D COB 9 B 75 D COB 9 B 1 D COB 9 B 753 D 3 COB 9 B 1 D 1 12 COB 9 B 754 D COB 9 B 755 D 75 4 5 COB 9 B 1 D COB 9 B 12 D COB 9 B 75 D COB 9 B 12 D 12 1 COB 9 B 75 D COB 9 B 12 D COB 9 B 3 D 3 COB 9 B 1 D COB 9 B 4 D 4 COB 9 B 1 D 1 13 COB 9 B 5 D 85 5 COB 9 B 1 D COB 9 B D COB 9 B 13 D COB 9 B D COB 9 B 13 D 13 1 COB 9 B 853 D 3 COB 9 B 13 D COB 9 B 854 D 4 COB 9 B 1 D COB 9 B 855 D 85 9 5 COB 9 B 1 D 1 14 COB 9 B 85 D COB 9 B 1 D COB 9 B 85 D COB 9 B 14 D COB 9 B 93 D 3 COB 9 B 14 D 14 1 COB 9 B 94 D 4 COB 9 B 14 D COB 9 B D COB 9 B 9 D 9 5 COB 9 B 1 D COB 9 B 1 D 1 COB 9 B 9 D COB 9 B 1D COB 9 B 99 D 9 COB 9 B D 5 4

COB 9 WRAPPED BRONZE BUSHINGS COB 9 B D COB 9 B D COB 9 B 5 D COB 9 B 5 D COB 9 B 5D COB 9 B 1 D COB 9 B 1 D COB 9 B 1D COB 9 B 1 D COB 9 B 1 D COB 9 B1D COB 9 B 17 D COB 9 B 17 D COB 9 B17D COB 9 B 175 D COB 9 B 175 D COB 9 B175D COB 9 B 1 D COB 9 B 1 D COB 9 B1D COB 9 B 185 D COB 9 B 185 D COB 9 B 185 D COB 9 B 19 D COB 9 B 19 D COB 9 B 19 D COB 9 B 1 D COB 9 B 1 D COB 9 B1D COB 9 B 2 D COB 9 B 2 D COB 9 B2 D COB 9 B D COB 9 B D COB 9 B D COB 9 B 21 D COB 9 B 21 D COB 9 B 21 D COB 9 B 2 D COB 9 B 2 D COB 9 B2 D COB 9 B 22 D COB 9 B 22 D COB 9 B 22 D COB 9 B 2 D COB 9 B 2 D 5 1 1 17 175 1 185 19 1 2 21 2 22 2 5 1 1 17 175 1 185 19 1 2 21 2 22 2 23 COB 9 B 2D COB 9 B 23 D COB 9 B 23 D COB 9 B 23 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B 24 D COB 9 B 24 D COB 9 B 24 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B D COB 9 B D COB 9 B D COB 9 B 5 D COB 9 B 5 D COB 9 B 5 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B 27 D COB 9 B 27 D COB 9 B 27 D COB 9 B 275 D COB 9 B 275 D COB 9 B 275 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B 285 D COB 9 B 285 D COB 9 B 285 D COB 9 B 29 D COB 9 B 29 D COB 9 B 29 D COB 9 B 2 D COB 9 B 2 D COB 9 B 2 D COB 9 B 3 D COB 9 B 3 D COB 9 B 3 D 2 23 2 24 2 5 2 2 27 275 2 285 29 2 3 23 2 24 2 5 2 2 27 275 2 285 29 2 3 5

COB 9 WRAPPED BRONZE BUSHINGS STANDARD SIZES OF COB 9 ( FBB9 ) FANGED WRAPPED BRONZE BUSHINGS R= D 2 SPIT INSIDE AND OUTSIDE CHAMFER DIMENSIONS D 2 d S D 1 5 C 2 S C 1 C 2.3 1.6.4 max..4 2 5 C 1 1.5.6.4.4.3. Z 2 1.2.4.4.3 When d mm,.5 Magnify at "Z" 2.5 1.8.6.6.4 STANDARD BUSHING TOERANCE BASIC DIMENSION 1 ~ 18 18 ~ 3 3 ~ 5 5 ~ ~12 12~1 1~ ~3 O.D.DIMENSION D..3.75..85...55.12.7.17..21.13.2.17 (ACCORDING TO DIN 1494 / ISO 47) MATCHED HOUSING D H (H7).18.21..3..4.46.52 I.D.DIMENSION d (H9).43.52.62.74.87..1.13.16.43.2.53..64.3.76.36.9.43.16.5.122.56.137 MATCHED SHAFT DIAMETER d(f8)* 1 Nte: * tlerance f8 fr shaft diameter f bushing in installatin. 6

COB 9 WRAPPED BRONZE BUSHINGS COB 9 F 12 D COB 9 F 2 D COB 9 F 22 D COB 9 F D COB 9 F 2 D COB 9 F D COB 9 F 3 D COB 9 F 32 D COB 9 F 33 D COB 9 F 2 D COB 9 F D COB 9 F 3 D COB 9 F D COB 9 F D COB 9 F 4 D COB 9 F 43 D COB 9 F 3 D COB 9 F D COB 9 F D COB 9 F 53 D COB 9 F 5 D COB 9 F 54 D COB 9 F 55 D COB 9 F 552 D COB 9 F 55 D COB 9 F 553 D COB 9 F 555 D COB 9 F 2 D COB 9 F D COB 9 F 3 D COB 9 F D COB 9 F D COB 9 F 5 D COB 9 F D COB 9 F 3 D COB 9 F 4 D COB 9 F D COB 9 F 7 D COB 9 F 74 D COB 9 F 77 D COB 9 F 754 D COB 9 F 757 D COB 9 F 4 D 12 2 3 4 1 2 1 2 14 2 23 3 28 34 39 44 55 5 5 55 7 55 7 75 7 75 85 75 85 9 2 2 COB 9 F 5 D COB 9 F D COB 9 F D COB 9 F 94 D COB 9 F D COB 9 F 99 D COB 9 F D 9 85 34 2 COB 9 F 5 D 3 COB 9 F D 12 2 3 COB 9 F 9 D COB 9 F 1 D COB 9 F 11 D COB 9 F 119 D COB 9 F 12 D 11 1 13 COB 9 F 1 D COB 9 F 12 D 12 1 14 3 COB 9 F 129 D 3 4 2 3 2 3 4 7 COB 9 F 13 D COB 9 F 14 D COB 9 F D COB 9 F 1 D COB 9 F 17 D COB 9 F 1 D COB 9 F 19 D COB 9 F 2 D COB 9 F 2 D COB 9 F D COB 9 F 2 D COB 9 F 285 D 5 5 5 3 4 4 COB 9 F 139 D COB 9 F 149 D COB 9 F 9 D COB 9 F 19 D COB 9 F 179 D COB 9 F 19 D COB 9 F 199 D COB 9 F 29 D COB 9 F 29 D COB 9 F 9 D COB 9 F 29 D COB 9 F 2859 D 13 14 1 17 1 19 2 2 2 285 1 1 5 1 175 185 1 23 5 27 29 5 1 1 19 2 2 2 2 2 29 3 7 4 COB 9 F 3 D COB 9 F 39 D 3 34 5 4 5 9 5 9 5 9 5 9 9 9 9 9 9 9 9 9 9 9 9 9 9 7

COB 9 WRAPPED BRONZE BUSHINGS STANDARD SIZES OF COB 9 (FB9) THRUST WASHERS d. D-. S T -.6 COB 9 W 2 D COB 9 W 4 D COB 9 W 6 D COB 9 W 8 D COB 9 W 1 D COB 9 W 12 D COB 9 W 14 D COB 9 W 16 D COB 9 W 18 D COB 9 W 2 D COB 9 W 22 D COB 9 W 24 D COB 9 W 26 D COB 9 W 28 D COB 9 W 3 D COB 9 W 32 D COB 9 W 34 D COB 9 W 36 D d +. D. 18.5 2 24.5 4 46 1 44 44 56.5 7 76 71 9 42 4 53 64.5 7 76 9 99.8 18 11 S T.6 1. 2. 2.5 8

COB 9 WRAPPED BRONZE BUSHINGS STANDARD SIZES OF COB 9 (FB9) BANKS 5. S s -.1 W +2. D. S T -.6 TYPE AND DESIGNATION COB 9 W 261.5 D COB 9 W 321.5 D COB 9 W 42. D COB 9 W 462. D COB 9 W 442.5 D COB 9 W 2.5 D COB 9 W 562.5 D COB 9 W 2.5 D COB 9 W 72.5 D COB 9 W 712.5 D COB 9 W 762.5 D COB 9 W 912.5 D D. 26 32 4 46 44 56 7 71 76 91 S T.6 1.5 2. 2.5 STANDARD SIZES OF COB 9 (FB9) PATES TYPE AND DESIGNATION COB 9 P 11 D COB 9 P 1 D COB 9 P 21 D COB 9 P 1 D +5. W +2. 5 1 S S.1 1. 1.5 2. 2.5 9

COB 92 WRAPPED BRONZE BUSHINGS INTRODUCTION OF COB 92(FB92) STRUCTURE OF THE MATERIA Using high-density brnze material and adpting special prcessing technlgy. COB 92 bushing with hles arranged in certain angles and densities and has a lubricating area f mre than 2% f the whle area. CHEMICA COMPOSITION MATERIA Cu Sn P Pb Zn CuSn8 91.3% 8.5%.2% PHYSICA PROPERTY TYPE DENSITY COEFFICIENT OF THERMA EXPANSION 2 C~3 C) THERMA CONDUCTIVITY HARDNESS TENSIE STRENGTH R m EONGATION A COB 92 3 8.8g /cm -6-1 18.5*1 *k 58w(m*k) 9~12HB 2 47N/mm 4% FIED OF APPICATION This series f prducts is widely used in agricultural, cnstructin and engineering machinery, etc. TYPES OF OI HOES 3.2 4.2 13.54 17.76 3 4 Spherical shape fr bushings with inside diameter Spherical shape fr bushings with inside diameter 1

COB 92 WRAPPED BRONZE BUSHINGS STANDARD SIZES OF COB 92 (FB92) WRAPPED BRONZE BUSHINGS S SPIT INSIDE AND OUTSIDE CHAMFER DIMENSIONS d D 5 C 2 S C 1 C 2.3 1.6.4 max..4 2 5 C 1 1.5.6.4.4.3. Z 2 1.2.4.4.3 When d mm,.5 Magnify at "Z" 2.5 1.8.6.6.4 STANDARD BUSHING TOERANCE BASIC DIMENSION 1 ~ 18 18 ~ 3 3 ~ 5 5 ~ ~12 12~1 1~ ~3 O.D.DIMENSION D..3.75..85...55.12.7.17..21.13.2.17 (ACCORDING TO DIN 1494 / ISO 47) MATCHED HOUSING D H (H7).18.21..3..4.46.52 I.D.DIMENSION d (H9).43.52.62.74.87..1.13.16.43.2.53..64.3.76.36.9.43.16.5.122.56.137 MATCHED SHAFT DIAMETER d(f8)* 1 Nte: * tlerance f8 fr shaft diameter f bushing in installatin. 11

COB 92 WRAPPED BRONZE BUSHINGS COB 92 B 11 D 1 COB 92 B 282 D 2 COB 92 B 1 D 1 12 COB 92 B 28 D COB 92 B 12 D 2 COB 92 B 283 D 28 31 3 COB 92 B 121 D 1 COB 92 B 284 D 4 COB 92 B 12 D 12 14 COB 92 B 285 D 5 COB 92 B 122 D 2 COB 92 B 3 D COB 92 B 141 D 1 COB 92 B 32 D 2 COB 92 B 14 D COB 92 B 3 D COB 92 B 142 D 14 16 2 COB 92 B 33 D 3 34 3 COB 92 B 14 D COB 92 B 34 D 4 COB 92 B 143 D 3 COB 92 B D 5 COB 92 B 1 D 1 COB 92 B 3 D COB 92 B D COB 92 B 322 D 2 COB 92 B 2 D 17 2 COB 92 B 32 D COB 92 B D COB 92 B 3 D 3 COB 92 B 323 D COB 92 B 324 D 32 36 3 4 COB 92 B 161 D 1 COB 92 B 3 D 5 COB 92 B 16 D COB 92 B 32 D COB 92 B 162 D 16 18 2 COB 92 B 2 D 2 COB 92 B 16 D COB 92 B D COB 92 B 163 D COB 92 B 181 D 3 1 COB 92 B 3 D COB 92 B 4 D 39 3 4 COB 92 B 18 D COB 92 B 182 D 18 21 2 COB 92 B 5 D COB 92 B D 5 COB 92 B 18 D COB 92 B 42 D 2 COB 92 B 21 D 1 COB 92 B 4 D COB 92 B 2 D COB 92 B 22 D COB 92 B 2 D 2 23 2 COB 92 B 43 D COB 92 B 44 D COB 92 B D 4 44 3 4 5 COB 92 B 23 D 3 COB 92 B 4 D COB 92 B 24 D 4 COB 92 B D COB 92 B 22 D COB 92 B 3 D 3 COB 92 B 222 D COB 92 B 22 D COB 92 B 223 D 22 2 3 COB 92 B 4 D COB 92 B 5 D COB 92 B D 5 4 5 COB 92 B 224 D 4 COB 92 B D COB 92 B 2 D 5 COB 92 B 5 D COB 92 B D COB 92 B 53 D 3 COB 92 B 2 D COB 92 B D COB 92 B 3 D 28 2 3 COB 92 B 54 D COB 92 B 55 D COB 92 B 5 D 5 55 4 5 COB 92 B 4 D 4 COB 92 B 5 D COB 92 B 5 D COB 92 B 28 D 28 31 5 COB 92 B 55 D COB 92 B 553 D 55 3 12

COB 92 WRAPPED BRONZE BUSHINGS COB 92 B 554 D COB 92 B 555 D COB 92 B 55 D 55 4 5 COB 92 B 9 D COB 92 B 9 D COB 92 B 3 D 9 3 COB 92 B 55 D COB 92 B 4 D 4 COB 92 B D COB 92 B 5 D 5 COB 92 B 3 D COB 92 B 4 D COB 92 B 5 D 3 4 5 COB 92 B D COB 92 B D COB 92 B 9 D 9 COB 92 B D COB 92 B D COB 92 B D COB 92 B D COB 92 B D COB 92 B 3 D 3 COB 92 B 3 D 3 COB 92 B 4 D 4 COB 92 B 4 D COB 92 B 5 D 7 4 5 COB 92 B 5 D COB 92 B D 5 COB 92 B D COB 92 B D COB 92 B D COB 92 B D COB 92 B 7 D COB 92 B D COB 92 B 73 D 3 COB 92 B D 11 COB 92 B 74 D COB 92 B 75 D 7 75 4 5 COB 92 B D COB 92 B 11 D COB 92 B 7 D COB 92 B 11 D 11 1 COB 92 B 7 D COB 92 B 11 D COB 92 B 75 D COB 92 B 1 D COB 92 B 753 D 3 COB 92 B 1 D 1 12 COB 92 B 754 D COB 92 B 755 D 75 4 5 COB 92 B 1 D COB 92 B 12 D COB 92 B 75 D COB 92 B 12 D 12 1 COB 92 B 75 D COB 92 B 12 D COB 92 B 3 D 3 COB 92 B 1 D COB 92 B 4 D 4 COB 92 B 1 D 1 13 COB 92 B 5 D 85 5 COB 92 B 1 D COB 92 B D COB 92 B 13 D COB 92 B D COB 92 B 13 D 13 1 COB 92 B 853 D 3 COB 92 B 13 D COB 92 B 854 D 4 COB 92 B 1 D COB 92 B 855 D 85 9 5 COB 92 B 1 D 1 14 COB 92 B 85 D COB 92 B 1 D COB 92 B 85 D COB 92 B 14 D COB 92 B 93 D 3 COB 92 B 14 D 14 1 COB 92 B 94 D 4 COB 92 B 14 D COB 92 B D COB 92 B 9 D 9 5 COB 92 B 1 D COB 92 B 1 D 1 COB 92 B 9 D COB 92 B 1 D COB 92 B 99 D 9 COB 92 B D 5 13

COB 92 WRAPPED BRONZE BUSHINGS COB 92 B D COB 92 B D COB 92 B 5 D COB 92 B 5 D COB 92 B 5 D COB 92 B 1 D COB 92 B 1 D COB 92 B 1 D COB 92 B 1 D COB 92 B 1 D COB 92 B 1 D COB 92 B 17 D COB 92 B 17 D COB 92 B 17 D COB 92 B 175 D COB 92 B 175 D COB 92 B 175 D COB 92 B 1 D COB 92 B 1 D COB 92 B 1 D COB 92 B 185 D COB 92 B 185 D COB 92 B 185 D COB 92 B 19 D COB 92 B 19 D COB 92 B 19 D COB 92 B 1 D COB 92 B 1 D COB 92 B 1 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B D COB 92 B D COB 92 B D COB 92 B 21 D COB 92 B 21 D COB 92 B 21 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 22 D COB 92 B 22 D COB 92 B 22 D COB 92 B 2 D COB 92 B 2 D 5 1 1 17 175 1 185 19 1 2 21 2 22 2 5 1 1 17 175 1 185 19 1 2 21 2 22 2 23 COB 92 B 2 D COB 92 B 23 D COB 92 B 23 D COB 92 B 23 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 24 D COB 92 B 24 D COB 92 B 24 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B D COB 92 B D COB 92 B D COB 92 B 5 D COB 92 B 5 D COB 92 B 5 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 27 D COB 92 B 27 D COB 92 B 27 D COB 92 B 275 D COB 92 B 275 D COB 92 B 275 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 285 D COB 92 B 285 D COB 92 B 285 D COB 92 B 29 D COB 92 B 29 D COB 92 B 29 D COB 92 B 2 D COB 92 B 2 D COB 92 B 2 D COB 92 B 3 D COB 92 B 3 D COB 92 B 3 D 2 23 2 24 2 5 2 2 27 275 2 285 29 2 3 23 2 24 2 5 2 2 27 275 2 285 29 2 3 14

COB 92 WRAPPED BRONZE BUSHINGS STANDARD SIZES OF COB 92 (FB92) WRAPPED BRONZE BUSHINGS D-d R= 2 S SPIT 5 INSIDE AND OUTSIDE CHAMFER DIMENSIONS C 2 S C 1 C 2 D 2 d D 1 2 5 C 1.3 1 1.5.6.4.6.4 max..4.4.3. Z 2 1.2.4.4.3 When d mm,.5 Magnify at "Z" 2.5 1.8.6.6.4 STANDARD BUSHING TOERANCE BASIC DIMENSION 1 ~ 18 18 ~ 3 3 ~ 5 5 ~ ~12 12~1 1~ ~3 O.D.DIMENSION D..3.75..85...55.12.7.17..21.13.2.17 (ACCORDING TO DIN 1494 / ISO 47) MATCHED HOUSING D H (H7).18.21..3..4.46.52 I.D.DIMENSION d (H9).43.52.62.74.87..1.13.16.43.2.53..64.3.76.36.9.43.16.5.122.56.137 MATCHED SHAFT DIAMETER d(f8)* 1 Nte: * tlerance f8 fr shaft diameter f bushing in installatin.

COB 92 WRAPPED BRONZE BUSHINGS COB 92 F 12 D COB 92 F 2 D COB 92 F 22 D COB 92 F D COB 92 F 2 D COB 92 F D COB 92 F 3 D COB 92 F 32 D COB 92 F 33 D COB 92 F 2 D COB 92 F D COB 92 F 3 D COB 92 F D COB 92 F D COB 92 F 4 D COB 92 F 43 D COB 92 F 3 D COB 92 F D COB 92 F D COB 92 F 53 D COB 92 F 5 D COB 92 F 54 D COB 92 F 55 D COB 92 F 552 D COB 92 F 55 D COB 92 F 553 D COB 92 F 555 D COB 92 F 2 D COB 92 F D COB 92 F 3 D COB 92 F D COB 92 F D COB 92 F 5 D COB 92 F D COB 92 F 3 D COB 92 F 4 D COB 92 F D COB 92 F 7 D COB 92 F 74 D COB 92 F 77 D COB 92 F 754 D COB 92 F 757 D COB 92 F 4 D 12 2 3 4 1 2 1 2 14 2 23 3 28 34 39 44 55 5 5 55 7 55 7 75 7 75 85 75 85 9 2 2 COB 92 F 5 D COB 92 F D COB 92 F D COB 92 F 94 D COB 92 F D COB 92 F 99 D COB 92 F D 9 85 34 2 COB 92 F 5 D 3 COB 92 F D 12 2 3 COB 92 F 9 D COB 92 F 1 D COB 92 F 11 D COB 92 F 119 D COB 92 F 12 D 11 1 13 COB 92 F 1 D COB 92 F 12 D 12 1 14 3 COB 92 F 129 D 3 4 2 3 2 3 4 7 COB 92 F 13 D COB 92 F 14 D COB 92 F D COB 92 F 1 D COB 92 F 17 D COB 92 F 1 D COB 92 F 19 D COB 92 F 2 D COB 92 F 2 D COB 92 F D COB 92 F 2 D COB 92 F 285 D 5 5 5 3 4 4 COB 92 F 139 D COB 92 F 149 D COB 92 F 9 D COB 92 F 19 D COB 92 F 179 D COB 92 F 19 D COB 92 F 199 D COB 92 F 29 D COB 92 F 29 D COB 92 F 9 D COB 92 F 29 D COB 92 F 2859 D 13 14 1 17 1 19 2 2 2 285 1 1 5 1 175 185 1 23 5 27 29 5 1 1 19 2 2 2 2 2 29 3 7 4 COB 92 F 3 D COB 92 F 39 D 3 34 5 4 5 9 5 9 5 9 5 9 9 9 9 9 9 9 9 9 9 9 9 9 9 16

COB 94 WRAPPED BRONZE BUSHINGS INTRODUCTION OF COB 94(FB92T) STRUCTURE OF THE MATERIA Using special cmpnents and high-density brnze material, adpting special prcessing technlgy, with tw seals n bth sides, COB 94 bushing is a kind f bushing with hles arranged in certain angles and densities. It has a lubricating area f mre than 2% f the whle area. CHEMICA COMPOSITION MATERIA Cu Sn P Pb Zn CuSn8 91.3% 8.5%.2% PHYSICA PROPERTY TYPE DENSITY COEFFICIENT OF THERMA EXPANSION 2 C~3 C) THERMA CONDUCTIVITY HARDNESS TENSIE STRENGTH R m EONGATION A COB 94 3 8.8g /cm -6-1 18.5*1 *k 58w(m*k) 9~12HB 2 47N/mm 4% FIED OF APPICATION This series f prducts is widely used in agricultural, cnstructin and engineering machinery, etc. TYPES OF OI HOES 3.2 4.2 13.54 17.76 3 4 Spherical shape fr bushings with inside diameter Spherical shape fr bushings with inside diameter 17

COB 94 WRAPPED BRONZE BUSHINGS STANDARD SIZES OF COB 94 (FB92T) WRAPPED BRONZE BUSHINGS S SPIT INSIDE AND OUTSIDE CHAMFER DIMENSIONS S C 1 d D 2 5 C 1 2 2.5 1.2.4 1.8.6. Z Magnify at "Z" STANDARD BUSHING TOERANCE BASIC DIMENSION 1 ~ 18 18 ~ 3 3 ~ 5 5 ~ O.D.DIMENSION D..3.75..85...55 (ACCORDING TO DIN 1494 / ISO 47) MATCHED HOUSING D H (H7).18.21..3 I.D.DIMENSION d (H9).43.52.62.74.16.43.2.53..64.3.76 MATCHED SHAFT DIAMETER d(f8)* 1 Nte: * tlerance f8 fr shaft diameter f bushing in installatin. 1 1 COB 94 B 33 D COB 94 B 34 D COB 94 B 3 D COB 94 B 4 D COB 94 B 43 D COB 94 B 44 D COB 94 B D COB 94 B 3 D COB 94 B 4 D COB 94 B 5 D COB 94 B D COB 94 B 53 D 3 4 5 34 39 44 5 55 3 4 3 4 3 4 5 3 4 5 3 COB 94 B 53 D COB 94 B 54 D COB 94 B 5 D COB 94 B 3 D COB 94 B 4 D COB 94 B D COB 94 B 4 D COB 94 B D COB 94 B 74 D COB 94 B 7 D COB 94 B 4 D COB 94 B D 5 7 55 7 75 85 3 4 3 4 4 4 4 18

COB WRAPPED BRONZE BUSHINGS INTRODUCTION OF COB (FB9G) STRUCTURE OF THE MATERIA Using high-density phsphr brnze as its backing and inserting int special slid lubricant, COB is a new kind f material with superir prperty f lubricatin and anti-abrasin. CHEMICA COMPOSITION MATERIA Cu Sn P Pb Zn CuSn8 91.3% 8.5%.2% PHYSICA PROPERTY TYPE DENSITY COEFFICIENT OF THERMA EXPANSION 2 C~3 C) THERMA CONDUCTIVITY HARDNESS TENSIE STRENGTH R m EONGATION A COB 3 8.3g /cm -6-1 18.5*1 *k 58w(m*k) 9~12HB 2 47N/mm 4% FIED OF APPICATION This series f prducts is widely used in agricultural, cnstructin and engineering machinery, etc. TYPES AND DESIGNATIONS The designatin f COB wrapped brnze bushing, washer, strips and the tlerance f sizes shuld be accrding t that f the drawings r samples ffered by custmers. 19

N.729 Zhengyuan Rad, Jiaxing Ecnmic Develpment Zne, Zhejiang,(3143) P.R. China Phne: 86 573 222 1111 Fax: 86 573 222 3333 E-mail: cb@cb-bearing.cm Web Site: www.cb-bearing.cm