RNA4902 Needle Roller Bearing 20x28x13mm
| Model Number |
0.5ton |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
RNA4902 Needle Roller Bearing 20x28x13mm Size Chart (mm/inches) |
|---|
| Series | L69300 |
| Cone Part Number | JK149562 |
| Cup Part Number | JK149563 |
| Design Units | METRIC |
| Bearing Weight | 0.20 Kg |
| Cage Type | Stamped Steel |
| d | 38.000 mm |
| D | 63.000 mm |
| B - Cone Width | 17.000 mm |
| C - Cup Width | 13.500 mm |
| B | 17.000 mm |
| R - Cone Backface To Clear Radius1 | 1.270 mm |
| r - Cup Backface To Clear Radius2 | 1.27 mm |
| da - Cone Frontface Backing Diameter | 42.42 mm |
| db - Cone Backface Backing Diameter | 44.45 mm |
| Da - Cup Frontface Backing Diameter | 60.96 mm |
| Db - Cup Backface Backing Diameter | 55.88 mm |
| Ab - Cage-Cone Frontface Clearance | 1.8 mm |
| Aa - Cage-Cone Backface Clearance | 0 mm |
| a - Effective Center Location3 | -2.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 13200 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 51000 N |
| C0 - Static Radial Rating | 55000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 9410 N |
| K - Factor7 | 1.4 |
| e - ISO Factor8 | 0.42 |
| Y - ISO Factor9 | 1.44 |
| G1 - Heat Generation Factor (Roller-Raceway) | 18.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 13.6 |
| Cg - Geometry Factor | 0.0692 |