| Bearing number |
S71908 CB/HCP4A |
| Size (mm) |
62x40x12 |
| Bore Diameter (mm) |
62 |
| Outer Diameter (mm) |
40 |
| Width (mm) |
12 |
| d |
40 mm |
| D |
62 mm |
| B |
12 mm |
| d1 |
48.46 mm |
| d2 |
47.6 mm |
| D2 |
55.64 mm |
| r1,2 - min. |
0.6 mm |
| r3,4 - min. |
0.3 mm |
| a |
14.8 mm |
| da - min. |
43.2 mm |
| da - max. |
47.9 mm |
| db - min. |
43.2 mm |
| db - max. |
47 mm |
| Da - max. |
58.8 mm |
| Db - max. |
60 mm |
| ra - max. |
0.6 mm |
| rb - max. |
0.3 mm |
| Basic dynamic load rating - C |
5.4 kN |
| Basic static load rating - C0 |
4.2 kN |
| Fatigue load limit - Pu |
0.176 kN |
| Limiting speed for grease lubrication |
36000 r/min |
| Ball - Dw |
3.969 mm |
| Ball - z |
28 |
| Calculation factor - f0 |
9.8 |
| Preload class A - GA |
18 N |
| Preload class B - GB |
36 N |
| Preload class C - GC |
110 N |
| Calculation factor - f |
1 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.03 |
| Calculation factor - f2C |
1.08 |
| Calculation factor - fHC |
1.01 |
| Preload class A |
27 N/micron |
| Preload class B |
36 N/micron |
| Preload class C |
58 N/micron |
| r1,2 min. |
0.6 mm |
| r3,4 min. |
0.3 mm |
| da min. |
43.2 mm |
| da max. |
47.9 mm |
| db min. |
43.2 mm |
| db max. |
47 mm |
| Da max. |
58.8 mm |
| Db max. |
60 mm |
| ra max. |
0.6 mm |
| rb max. |
0.3 mm |
| Basic dynamic load rating C |
7.15 kN |
| Basic static load rating C0 |
6.95 kN |
| Fatigue load limit Pu |
0.176 kN |
| Attainable speed for grease lubrication |
36000 r/min |
| Ball diameter Dw |
3.969 mm |
| Number of balls z |
28 |
| Preload class A GA |
18 N |
| Static axial stiffness, preload class A |
27 N/µm |
| Preload class B GB |
36 N |
| Static axial stiffness, preload class B |
36 N/µm |
| Preload class C GC |
110 N |
| Static axial stiffness, preload class C |
58 N/µm |
| Calculation factor f |
1.06 |
| Calculation factor f1 |
1 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.03 |
| Calculation factor f2C |
1.08 |
| Calculation factor fHC |
1.01 |
| Calculation factor f0 |
9.8 |
| Mass bearing |
0.12 kg |