KOYO 749SR/742 tapered roller bearings
| Brand Name |
KOYO |
| Model Number |
749SR/742 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOYO 749SR/742 bearing Size Chart (mm/inches) |
|---|
| d | 100 mm |
| D | 150 mm |
| B | 67 mm |
| d1 ≈ | 116 mm |
| D1 ≈ | 133.5 mm |
| b1 | 6 mm |
| K | 3.5 mm |
| s max. | 4 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 1 mm |
| da min. | 108 mm |
| das | 113 mm |
| Da max. | 143 mm |
| ra max. | 1.5 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 391 kN |
| Basic static load rating C0 | 620 kN |
| Fatigue load limit Pu | 75 kN |
| Reference speed | 2000 r/min |
| Limiting speed | 2600 r/min |
| Calculation factor kr | 0.5 |
| Mass bearing | 3.94 kg |