KOYO TRB-4458 Thrust Roller Bearing
| Place of Origin |
Check Distributor Service |
| Brand Name |
Check Distributor |
| Certification |
Original certificate |
| Model Number |
KOYO TRB-4458 |
| Min.Order Quantity |
check bearing service company |
| Price |
Contact With Authorized agent |
| Packaging Details |
Original industrial package |
| Delivery Time |
Within 5 working days |
| Payment Terms |
paypal,UnionPay, Visa/MasterCard, Amex, Discover,T/T |
| Supply Ability |
656 |
Product Features
Check Distributor KOYO TRB-4458 bearing Size Chart (mm/inches) |
|---|
| Bearing number | 61868 |
| Size (mm) | 420x340x38 |
| Bore Diameter (mm) | 420 |
| Outer Diameter (mm) | 340 |
| Width (mm) | 38 |
| d | 340 mm |
| D | 420 mm |
| B | 38 mm |
| d1 | 365.7 mm |
| D1 | 394.3 mm |
| r1,2 - min. | 2.1 mm |
| da - min. | 352 mm |
| Da - max. | 408 mm |
| ra - max. | 2 mm |
| Basic dynamic load rating - C | 178 kN |
| Basic static load rating - C0 | 275 kN |
| Fatigue load limit - Pu | 6 kN |
| Reference speed | 2800 r/min |
| Limiting speed | 1800 r/min |
| Calculation factor - kr | 0.015 |
| Calculation factor - f0 | 17.3 |
| d1 ≈ | 365.7 mm |
| D1 ≈ | 394.3 mm |
| r1,2 min. | 2.1 mm |
| da min. | 352 mm |
| Da max. | 408 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 178 kN |
| Basic static load rating C0 | 275 kN |
| Fatigue load limit Pu | 6 kN |
| Calculation factor kr | 0.015 |
| Calculation factor f0 | 17.3 |
| Mass bearing | 10 kg |