NNU3148 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU3148 |
| Series: |
19000 |
| Cone Part Number: |
19138 |
| Cup Part Number: |
19269 |
| Design Units: |
Imperial |
| Bearing Weight: |
0.30 Kg |
| Cage Type: |
Stamped Steel |
| d: |
34.976 mm |
| D: |
68.263 mm |
| PDF |
NNU3148 |
Product Details
| Series |
19000 |
| Cone Part Number |
19138 |
| Cup Part Number |
19269 |
| Design Units |
Imperial |
| Bearing Weight |
0.30 Kg |
| Cage Type |
Stamped Steel |
| d |
34.976 mm |
| D |
68.263 mm |
| B - Cone Width |
16.520 mm |
| C - Cup Width |
16.030 mm |
| B |
19.997 mm |
| R - Cone Backface To Clear Radius1 |
1.520 mm |
| r - Cup Backface To Clear Radius2 |
1.52 mm |
| da - Cone Frontface Backing Diameter |
40.39 mm |
| db - Cone Backface Backing Diameter |
42.42 mm |
| Da - Cup Frontface Backing Diameter |
66.00 mm |
| Db - Cup Backface Backing Diameter |
59.94 mm |
| Ab - Cage-Cone Frontface Clearance |
2.3 mm |
| Aa - Cage-Cone Backface Clearance |
0.8 mm |
| a - Effective Center Location3 |
-1.5 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
2960 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
11400 lbf |
| C0 - Static Radial Rating |
13000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
2250 lbf |
| K - Factor7 |
1.31 |
| e - ISO Factor8 |
0.44 |
| Y - ISO Factor9 |
1.35 |
| G1 - Heat Generation Factor (Roller-Raceway) |
17.5 |
| G2 - Heat Generation Factor (Rib-Roller End) |
11.5 |
| Cg - Geometry Factor |
0.0694 |