INA RNA4918 needle roller bearings
| Brand Name: |
INA |
| Model Number: |
RNA4918 |
| Series: |
L68100 |
| Cone Part Number: |
L68149 |
| Cup Part Number: |
L68110 |
| Design Units: |
Imperial |
| Bearing Weight: |
0.20 Kg |
| Cage Type: |
Stamped Steel |
| d: |
34.989 mm |
| D: |
59.131 mm |
| PDF |
RNA4918 |
Product Details
| Series |
L68100 |
| Cone Part Number |
L68149 |
| Cup Part Number |
L68110 |
| Design Units |
Imperial |
| Bearing Weight |
0.20 Kg |
| Cage Type |
Stamped Steel |
| d |
34.989 mm |
| D |
59.131 mm |
| B - Cone Width |
16.764 mm |
| C - Cup Width |
11.938 mm |
| B |
15.875 mm |
| R - Cone Backface To Clear Radius1 |
3.560 mm |
| r - Cup Backface To Clear Radius2 |
1.27 mm |
| da - Cone Frontface Backing Diameter |
39.12 mm |
| db - Cone Backface Backing Diameter |
45.47 mm |
| Da - Cup Frontface Backing Diameter |
55.90 mm |
| Db - Cup Backface Backing Diameter |
53.09 mm |
| Ab - Cage-Cone Frontface Clearance |
1.5 mm |
| Aa - Cage-Cone Backface Clearance |
0.3 mm |
| a - Effective Center Location3 |
-2.5 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
2650 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
10200 lbf |
| C0 - Static Radial Rating |
11000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
1890 lbf |
| K - Factor7 |
1.4 |
| e - ISO Factor8 |
0.42 |
| Y - ISO Factor9 |
1.44 |
| G1 - Heat Generation Factor (Roller-Raceway) |
15.7 |
| G2 - Heat Generation Factor (Rib-Roller End) |
13.9 |
| Cg - Geometry Factor |
0.0657 |
Company Profile
| Worktime |
9:00-18:00(BeiJing time) |
| Phone |
86-13563849567 |