TIMKEN MM45BS100DH Precision Ball Bearings - Kate Komatsu part Machinery Co., Ltd

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TIMKEN MM45BS100DH Precision Ball Bearings image

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TIMKEN MM45BS100DH Precision Ball Bearings specification

Bearing number:71907 CD/HCP4A
Size (mm):55x35x10
Bore Diameter (mm):55
Outer Diameter (mm):35
Width (mm):10
d:35 mm
D:55 mm
B:10 mm
d1:41.6 mm
d2:41.6 mm
D1:48.4 mm
r1,2 - min.:0.6 mm
r3,4 - min.:0.3 mm
a:11.1 mm
da - min.:38.2 mm
db - min.:38.2 mm
Da - max.:51.8 mm
Db - max.:53.6 mm
ra - max.:0.6 mm
rb - max.:0.3 mm
dn:43 mm
Basic dynamic load rating - C:9.8 kN
Basic static load rating - C0:6.6 kN
Fatigue load limit - Pu:0.275 kN
Limiting speed for grease lubrication:32000 r/min
Limiting speed for oil lubrication:45000 mm/min
Ball - Dw:5.556 mm
Ball - z:21
Gref:0.93 cm3
Calculation factor - f0:10.4
Preload class A - GA:35 N
Preload class B - GB:70 N
Preload class C - GC:140 N
Preload class D - GD:280 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.07
Calculation factor - f2C:1.12
Calculation factor - f2D:1.18
Calculation factor - fHC:1.04
Preload class A:35 N/micron
Preload class B:47 N/micron
Preload class C:64 N/micron
Preload class D:91 N/micron
r1,2 min.:0.6 mm
r3,4 min.:0.3 mm
da min.:38.2 mm
db min.:38.2 mm
Da max.:51.8 mm
Db max.:53.6 mm
ra max.:0.6 mm
rb max.:0.3 mm
Basic dynamic load rating C:9.75 kN
Basic static load rating C0:6.55 kN
Fatigue load limit Pu:0.275 kN
Attainable speed for grease lubrication:32000 r/min
Attainable speed for oil-air lubrication:45000 r/min
Ball diameter Dw:5.556 mm
Number of balls z:21
Reference grease quantity Gref:0.93 cm³
Preload class A GA:35 N
Static axial stiffness, preload class A:35 N/µm
Preload class B GB:70 N
Static axial stiffness, preload class B:47 N/µm
Preload class C GC:140 N
Static axial stiffness, preload class C:64 N/µm
Preload class D GD:280 N
Static axial stiffness, preload class D:91 N/µm
Calculation factor f:1.1
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.07
Calculation factor f2C:1.12
Calculation factor f2D:1.18
Calculation factor fHC:1.04
Calculation factor f0:10.4
Mass bearing:0.068 kg

Main Products: Load Wheel, Chain Wheel, Drive Wheel, Gear Block, Guide Wheel, Chain Rail Assembly, Track Assembly, Track Plate and High Strength Bolt. Other products: chain link, chain pin, bucket shaft, bucket shaft sleeve, swing frame, connecting rod, chain bracket, tension cylinder, tension spring, U-frame, large and small arm cylinder assembly, rubber block, bucket teeth, tooth base, etc.

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Kate Komatsu part Machinery Co., Ltd: Email; AddressJiulong wan ,Hong kong,china; Phone(Working Time); Fax

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