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 |