Double Inner Double Row Tapered Roller Bearings HM231140NA/HM231116D
| Bearing number: |
7228CDF |
| Size (mm): |
140x250x42 |
| Bore Diameter (mm): |
140 |
| Outer Diameter (mm): |
250 |
| Width (mm): |
42 |
| d: |
140 mm |
| D: |
250 mm |
| B: |
42 mm |
Product Details
| Bearing number |
7228CDF |
| Size (mm) |
140x250x42 |
| Bore Diameter (mm) |
140 |
| Outer Diameter (mm) |
250 |
| Width (mm) |
42 |
| d |
140 mm |
| D |
250 mm |
| B |
42 mm |
| C |
42 mm |
| Angle (α) |
15 ° |
| a |
1.3 mm |
| r min. |
3 mm |
| r1 min. |
1.1 mm |
| 2B |
84 mm |
| da min. |
154 mm |
| Da max. |
243 mm |
| ra max. |
1 mm |
| Weight |
8.78 Kg |
| Basic dynamic load rating (C) |
360 kN |
| Basic static load rating (C0) |
470 kN |
| (Grease) Lubrication Speed |
3300 r/min |
| Bore Type |
Cylindrical Bore |
| Enclosure |
Open |
| Configuration |
Duplex |
| Bore Size |
140 mm |
| Outside Diameter |
250 mm |
| Width |
42 mm |
| Fillet Radius/Chamfer |
3 mm |
| r1 |
1.1 mm |
| Dynamic Load Rating |
360,000 N |
| Static Load Rating |
470,000 N |
| Limiting Speed - Grease |
3,300 rpm |
| Limiting Speed - Oil |
4,500 rpm |
| da1 (min) |
154 mm |
| da2 (min) |
154 mm |
| Da1 (max) |
236 mm |
| Da2 (max) |
243 mm |
| ra (max) |
2.5 mm |
| ra1 (max) |
1 mm |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |