NA4911R Needle Roller Bearing 55x80x25mm
NA4911R Needle Roller Bearing 55x80x25mm Industries Imperial Design Units and Applications ? We sell discount Oilfield Mud Pump Bearings online as well as Industrial Bearings Solutions cheap machinery parts. 21000 Series
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Series | 21000 |
| Cone Part Number | 21063 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 21600 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 5590 lbf |
| d | 0.6250 in |
| B - Cone Width | 0.8598 in |
| R - Cone Backface To Clear Radius3 | 0.03 in |
| da - Cone Frontface Backing Diameter | 1.03 in |
| db - Cone Backface Backing Diameter | 1.14 in |
| Ab - Cage-Cone Frontface Clearance | 0.1 in |
| Aa - Cage-Cone Backface Clearance | 0.1 in |
| a - Effective Center Location4 | -0.23 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 3210 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 12400 lbf |
| C0 - Static Radial Rating | 9560 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 3250 lbf |
| K - Factor8 | 0.99 |
| G1 - Heat Generation Factor (Roller-Raceway) | 7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 4.1 |
| Cg - Geometry Factor | 0.0558 |
Company Profile
| Worktime |
9:00-18:00 pm |
| Phone |
+852(3)1591338 |
