211B, Single Row Radial Ball Bearing - Open Type

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211B, Single Row Radial Ball Bearing - Open Type image

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211B, Single Row Radial Ball Bearing - Open Type specification

Bearing number:S7205 CD/HCP4A
Size (mm):52x25x15
Bore Diameter (mm):52
Outer Diameter (mm):25
Width (mm):15
d:25 mm
D:52 mm
B:15 mm
d1:34.1 mm
d2:34.1 mm
D2:45.9 mm
r1,2 - min.:1 mm
r3,4 - min.:0.3 mm
a:12.8 mm
da - min.:30.6 mm
da - max.:33.5 mm
db - min.:30.6 mm
db - max.:33.5 mm
Da - max.:46.4 mm
Db - max.:49.6 mm
ra - max.:1 mm
rb - max.:0.3 mm
Basic dynamic load rating - C:13.5 kN
Basic static load rating - C0:7.2 kN
Fatigue load limit - Pu:0.305 kN
Limiting speed for grease lubrication:38000 r/min
Ball - Dw:7.938 mm
Ball - z:13
Calculation factor - f0:9.1
Preload class A - GA:50 N
Preload class B - GB:100 N
Preload class C - GC:200 N
Preload class D - GD:400 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:32 N/micron
Preload class B:42 N/micron
Preload class C:58 N/micron
Preload class D:80 N/micron
r1,2 min.:1 mm
r3,4 min.:0.3 mm
da min.:30.6 mm
da max.:33.5 mm
db min.:30.6 mm
db max.:33.5 mm
Da max.:46.4 mm
Db max.:49.6 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:13.5 kN
Basic static load rating C0:7.2 kN
Fatigue load limit Pu:0.305 kN
Attainable speed for grease lubrication:38000 r/min
Ball diameter Dw:7.938 mm
Number of balls z:13
Preload class A GA:50 N
Static axial stiffness, preload class A:32 N/µm
Preload class B GB:100 N
Static axial stiffness, preload class B:42 N/µm
Preload class C GC:200 N
Static axial stiffness, preload class C:58 N/µm
Preload class D GD:400 N
Static axial stiffness, preload class D:80 N/µm
Calculation factor f:1.03
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
Calculation factor f0:9.1
Mass bearing:0.12 kg

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Bearing Distributors Inc: Emailiris@bearing-distributors.com; Address1589 Tampines Industrial Distributor Avenue 5 Singapore 528759; Phone(Working Time)0065-31591338; Fax0065-31591338

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211B, Single Row Radial Ball Bearing - Open Type specification

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