232.21.0775.013 Type 21/850.2 Standard 5 Slewing Ring Bearings
| Brand Name: |
Standard 5 |
| Model Number: |
232.21.0775.013 Type 21/850.2 |
| Bearing number: |
7008 ACB/P4A |
| Size (mm): |
68x40x15 |
| Bore Diameter (mm): |
68 |
| Outer Diameter (mm): |
40 |
| Width (mm): |
15 |
| d: |
40 mm |
| D: |
68 mm |
| B: |
15 mm |
Product Details
| Bearing number |
7008 ACB/P4A |
| Size (mm) |
68x40x15 |
| Bore Diameter (mm) |
68 |
| Outer Diameter (mm) |
40 |
| Width (mm) |
15 |
| d |
40 mm |
| D |
68 mm |
| B |
15 mm |
| d1 |
50.95 mm |
| d2 |
49.87 mm |
| D2 |
58.88 mm |
| r1,2 - min. |
1 mm |
| r3,4 - min. |
0.6 mm |
| a |
20.2 mm |
| da - min. |
44.6 mm |
| db - min. |
44.6 mm |
| Da - max. |
63.4 mm |
| Db - max. |
64.8 mm |
| ra - max. |
1 mm |
| rb - max. |
0.6 mm |
| dn |
51.6 mm |
| Basic dynamic load rating - C |
6.9 kN |
| Basic static load rating - C0 |
5.3 kN |
| Fatigue load limit - Pu |
0.224 kN |
| Limiting speed for grease lubrication |
26000 r/min |
| Limiting speed for oil lubrication |
40000 mm/min |
| Ball - Dw |
4.762 mm |
| Ball - z |
26 |
| Gref |
2.22 cm3 |
| Calculation factor - e |
0.68 |
| Calculation factor - Y2 |
1.41 |
| Calculation factor - Y0 |
0.76 |
| Calculation factor - X2 |
0.67 |
| Calculation factor - Y1 |
0.92 |
| Preload class A - GA |
41 N |
| Preload class B - GB |
82 N |
| Preload class C - GC |
245 N |
| Calculation factor - f |
1.04 |
| Calculation factor - f1 |
0.99 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.01 |
| Calculation factor - f2C |
1.04 |
| Calculation factor - fHC |
1 |
| Preload class A |
71 N/micron |
| Preload class B |
92 N/micron |
| Preload class C |
138 N/micron |
| r1,2 min. |
1 mm |
| r3,4 min. |
0.6 mm |
| da min. |
44.6 mm |
| db min. |
44.6 mm |
| Da max. |
63.4 mm |
| Db max. |
64.8 mm |
| ra max. |
1 mm |
| rb max. |
0.6 mm |
| Basic dynamic load rating C |
9.36 kN |
| Basic static load rating C0 |
8.65 kN |
| Fatigue load limit Pu |
0.224 kN |
| Attainable speed for grease lubrication |
26000 r/min |
| Attainable speed for oil-air lubrication |
40000 r/min |
| Ball diameter Dw |
4.762 mm |
| Number of balls z |
26 |
| Reference grease quantity Gref |
2.22 cm³ |
| Preload class A GA |
41 N |
| Static axial stiffness, preload class A |
71 N/µm |
| Preload class B GB |
82 N |
| Static axial stiffness, preload class B |
92 N/µm |
| Preload class C GC |
245 N |
| Static axial stiffness, preload class C |
138 N/µm |
| Calculation factor f |
1.04 |
| Calculation factor f1 |
0.99 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.01 |
| Calculation factor f2C |
1.04 |
| Calculation factor fHC |
1 |
| Calculation factor e |
0.68 |
| Calculation factor (single, tandem) Y2 |
0.87 |
| Calculation factor (single, tandem) Y0 |
0.38 |
| Calculation factor (single, tandem) X2 |
0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 |
0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 |
1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 |
0.76 |
| Calculation factor (back-to-back, face-to-face) X2 |
0.67 |
| Mass bearing |
0.21 kg |