TIMKEN 22330YMW33C3 Roller Bearings
| Bearing number: |
71909 CE/HCP4AL |
| Size (mm): |
68x45x12 |
| Bore Diameter (mm): |
68 |
| Outer Diameter (mm): |
45 |
| Width (mm): |
12 |
| d: |
45 mm |
| D: |
68 mm |
| B: |
12 mm |
Product Details
| Bearing number |
71909 CE/HCP4AL |
| Size (mm) |
68x45x12 |
| Bore Diameter (mm) |
68 |
| Outer Diameter (mm) |
45 |
| Width (mm) |
12 |
| d |
45 mm |
| D |
68 mm |
| B |
12 mm |
| d1 |
52.7 mm |
| d2 |
51 mm |
| D1 |
60.3 mm |
| b |
2 mm |
| C1 |
5.9 mm |
| C2 |
2.3 mm |
| C3 |
1.8 mm |
| r1,2 - min. |
0.6 mm |
| r3,4 - min. |
0.3 mm |
| a |
14 mm |
| da - min. |
48.2 mm |
| db - min. |
47 mm |
| Da - max. |
64.8 mm |
| Db - max. |
66 mm |
| ra - max. |
0.6 mm |
| rb - max. |
0.3 mm |
| dn |
54.2 mm |
| Basic dynamic load rating - C |
10.1 kN |
| Basic static load rating - C0 |
7 kN |
| Fatigue load limit - Pu |
0.29 kN |
| Limiting speed for grease lubrication |
34000 r/min |
| Limiting speed for oil lubrication |
52000 mm/min |
| Ball - Dw |
6.35 mm |
| Ball - z |
21 |
| Gref |
1.5 cm3 |
| Calculation factor - f0 |
8.4 |
| Preload class A - GA |
55 N |
| Preload class B - GB |
166 N |
| Preload class C - GC |
331 N |
| Calculation factor - f |
1 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.05 |
| Calculation factor - f2C |
1.09 |
| Calculation factor - fHC |
1.01 |
| Preload class A |
37 N/micron |
| Preload class B |
59 N/micron |
| Preload class C |
81 N/micron |
| r1,2 min. |
0.6 mm |
| r3,4 min. |
0.3 mm |
| da min. |
48.2 mm |
| db min. |
47 mm |
| Da max. |
64.8 mm |
| Db max. |
66 mm |
| ra max. |
0.6 mm |
| rb max. |
0.3 mm |
| Basic dynamic load rating C |
10.1 kN |
| Basic static load rating C0 |
6.95 kN |
| Fatigue load limit Pu |
0.29 kN |
| Attainable speed for grease lubrication |
34000 r/min |
| Attainable speed for oil-air lubrication |
52000 r/min |
| Ball diameter Dw |
6.35 mm |
| Number of balls z |
21 |
| Reference grease quantity Gref |
1.5 cm³ |
| Preload class A GA |
55 N |
| Static axial stiffness, preload class A |
37 N/µm |
| Preload class B GB |
166 N |
| Static axial stiffness, preload class B |
59 N/µm |
| Preload class C GC |
331 N |
| Static axial stiffness, preload class C |
81 N/µm |
| Calculation factor f |
1.09 |
| Calculation factor f1 |
1 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.05 |
| Calculation factor f2C |
1.09 |
| Calculation factor fHC |
1.01 |
| Calculation factor f0 |
8.4 |
| Mass bearing |
0.12 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |