JM515649 Cylindrical Roller Bearings Interchange 2018 NEW
| Bearing number: |
7248 BCBM |
| Size (mm): |
440x240x72 |
| Bore Diameter (mm): |
440 |
| Outer Diameter (mm): |
240 |
| Width (mm): |
72 |
| d: |
240 mm |
| D: |
440 mm |
| B: |
72 mm |
Product Details
| Bearing number |
7248 BCBM |
| Size (mm) |
440x240x72 |
| Bore Diameter (mm) |
440 |
| Outer Diameter (mm) |
240 |
| Width (mm) |
72 |
| d |
240 mm |
| D |
440 mm |
| B |
72 mm |
| d1 |
322.6 mm |
| d2 |
292.62 mm |
| D1 |
360.41 mm |
| a |
180 mm |
| r1,2 - min. |
4 mm |
| r3,4 - min. |
1.5 mm |
| da - min. |
257 mm |
| Da - max. |
423 mm |
| Db - max. |
431 mm |
| ra - max. |
4 mm |
| rb - max. |
1.5 mm |
| Basic dynamic load rating - C |
449 kN |
| Basic static load rating - C0 |
670 kN |
| Fatigue load limit - Pu |
15.3 kN |
| Reference speed |
1600 r/min |
| Limiting speed |
2600 r/min |
| Calculation factor - kr |
0.08 |
| Calculation factor - ka |
1.2 |
| Calculation factor - e |
1.14 |
| Calculation factor - X |
0.35 |
| Calculation factor - Y0 |
0.5 |
| Calculation factor - Y1 |
0.55 |
| Calculation factor - Y2 |
0.57 |
| d1 ≈ |
322.6 mm |
| d2 ≈ |
292.62 mm |
| D1 ≈ |
360.41 mm |
| r1,2 min. |
4 mm |
| r3,4 min. |
1.5 mm |
| da min. |
257 mm |
| Da max. |
423 mm |
| Db max. |
431 mm |
| ra max. |
4 mm |
| rb max. |
1.5 mm |
| Basic dynamic load rating C |
449 kN |
| Basic static load rating C0 |
670 kN |
| Fatigue load limit Pu |
15.3 kN |
| Calculation factor A |
5.12 |
| Calculation factor kr |
0.08 |
| Calculation factor e |
1.14 |
| Calculation factor X |
0.57 |
| Calculation factor Y0 |
0.52 |
| Calculation factor Y2 |
0.93 |
| Calculation factor Y1 |
0.55 |
| Mass bearing |
49 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |