Product Catalog
Deep Groove Ball Bearing
Self Aligning Ball Bearing
Cylindrical Roller Bearing
Spherical Roller Bearing
Angular Contact Ball Bearing
Tapered Roller Bearing
Thrust Ball Bearing
Thrust sphercial roller bearing
Bearing Unit
Linear Bearing
Spherical plain bearing
Stainless Steel Bearing
Taper Bush
Axial Needle Roller and Cage Assemblies
Drawn Cup Needle Roller Bearing Clutch
Machined needle roller bearing
Drawn cup needle roller bearing
Needle Roller and Cage Assemblies
Slide Guide Rails
Ball Screw Support Bearing
Ball Screw Support Bearings
Optical Axis
NA3 series
Product Parameter
| Bearing Unit No. | Shaft diameter | Boundary Dimensions（mm）/(in.) | Eccentric sleeve | Basic load ratings(N) | Mass (kg) | |||||||||
| d | D | B | C | S | B1 | B3 | h | d1 | Dynamic load(Cr) | Static load(Cor) | ||||
|
NA308-24 | 40 | 90/3.5433 | 41.3/1.6260 | 28/1.1024 | 19.8/0.7795 | 57.1/2.2480 | 20.6/0.8110 | 8.5/0.3346 | 63.5/2.5000 | A308-24 | 40560 | 24000 | 1.17 |
|
|
NA308-25 | 40 | 90/3.5433 | 41.3/1.6260 | 28/1.1024 | 19.8/0.7795 | 57.1/2.2480 | 20.6/0.8110 | 8.5/0.3346 | 63.5/2.5000 | A308-25 | 40560 | 24000 | 1.13 |
|
|
NA308 | 40 | 90/3.5433 | 41.3/1.6260 | 28/1.1024 | 19.8/0.7795 | 57.1/2.2480 | 20.6/0.8110 | 8.5/0.3346 | 63.5/2.5000 | A308 | 40560 | 24000 | 1.12 |
|
|
NA309-26 | 45 | 100/3.9370 | 42.9/1.6890 | 30/1.1811 | 19.8/0.7795 | 58.7/2.3110 | 20.6/0.8110 | 9/0.3543 | 70/2.7559 | A309-26 | 53000 | 31800 | 1.49 |
|
|
NA309-27 | 45 | 100/3.9370 | 42.9/1.6890 | 30/1.1811 | 19.8/0.7795 | 58.7/2.3110 | 20.6/0.8110 | 9/0.3543 | 70/2.7559 | A309-27 | 53000 | 31800 | 1.44 |
|
|
NA309-28 | 45 | 100/3.9370 | 42.9/1.6890 | 30/1.1811 | 19.8/0.7795 | 58.7/2.3110 | 20.6/0.8110 | 9/0.3543 | 70/2.7559 | A309-28 | 53000 | 31800 | 1.39 |
|
|
NA309 | 45 | 100/3.9370 | 42.9/1.6890 | 30/1.1811 | 19.8/0.7795 | 58.7/2.3110 | 20.6/0.8110 | 9/0.3543 | 70/2.7559 | A309 | 53000 | 31800 | 1.37 |
|
|
NA310-30 | 50 | 110/4.3307 | 49.2/1.9370 | 32/1.2598 | 24.6/0.9685 | 66.6/2.6220 | 22.2/0.8740 | 9.9/0.3898 | 76.2/3.0000 | A310-30 | 61750 | 37800 | 1.93 |
|
|
NA310-31 | 50 | 110/4.3307 | 49.2/1.9370 | 32/1.2598 | 24.6/0.9685 | 66.6/2.6220 | 22.2/0.8740 | 9.9/0.3898 | 76.2/3.0000 | A310-31 | 61750 | 37800 | 1.87 |
|
|
NA310 | 50 | 110/4.3307 | 49.2/1.9370 | 32/1.2598 | 24.6/0.9685 | 66.6/2.6220 | 22.2/0.8740 | 9.9/0.3898 | 76.2/3.0000 | A310 | 61750 | 37800 | 1.84 |
|
|
NA311-32 | 55 | 120/4.7233 | 55.6/2.1890 | 34/1.3386 | 27.8/1.0945 | 73/2.8740 | 22.2/0.8740 | 10.6/0.4173 | 83/3.2677 | A311-32 | 71500 | 44800 | 2.52 |
|
|
NA311-34 | 55 | 120/4.7233 | 55.6/2.1890 | 34/1.3386 | 27.8/1.0945 | 73/2.8740 | 22.2/0.8740 | 10.6/0.4173 | 83/3.2677 | A311-34 | 71500 | 44800 | 2.36 |