dynamic load capacity: Koyo NRB HK4512 Drawn Cup Needle Roller Bearings
| Place of Origin |
GERMANY,SWEDEN,U.S.A,ITALY,FRANCE,AUSTRIA |
| Brand Name |
Drawn Cup Needle Roller Bearings |
| Certification |
ISO9001,CE,CO,CQ |
| Model Number |
dynamic load capacity: Koyo NRB HK4512 Drawn Cup Needle Roller Bearings |
| Min.Order Quantity |
1pcs |
| Price |
Negotiation |
| Packaging Details |
Standard sea package |
| Delivery Time |
3-5 Working days |
| Payment Terms |
L/C,D/P,T/T,Western Union,MoneyGram,D/A |
| Supply Ability |
1000Sets |
Product Features
Drawn Cup Needle Roller Bearings dynamic load capacity: Koyo NRB HK4512 Drawn Cup Needle Roller Bearings bearing Size Chart (mm/inches) |
|---|
| Series | A2000 |
| Cone Part Number | A2031 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 4230 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 1100 lbf |
| d | 0.3125 in |
| B - Cone Width | 0.4246 in |
| R - Cone Backface To Clear Radius3 | 0.02 in |
| da - Cone Frontface Backing Diameter | 0.49 in |
| db - Cone Backface Backing Diameter | 0.51 in |
| Ab - Cage-Cone Frontface Clearance | 0.09 in |
| Aa - Cage-Cone Backface Clearance | -0.03 in |
| a - Effective Center Location4 | -0.12 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 630 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 2430 lbf |
| C0 - Static Radial Rating | 2070 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 437 lbf |
| K - Factor8 | 1.44 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 3.2 |
| Cg - Geometry Factor | 0.0308 |