| Part Number |
NRT 80 B |
| System of Measurement |
Metric |
| Roller Bearing Type |
Cylindrical |
| For Load Direction |
Combined |
| Bore Dia |
80 mm |
| Bore Dia Tolerance |
-0.009mm to 0 |
| Outer Dia |
146 mm |
| Outer Dia Tolerance |
-0.011mm to 0 |
| Width |
35 mm |
| Height Tolerance |
-0.175mm to 0 |
| Shoulder Diameter Inner Ring – Large Shoulder |
130 mm |
| Outer Ring (Housing Washer) Width |
12 mm |
| Distance |
23.35 mm |
| Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter |
92 mm |
| Outer Ring (Housing Washer) Hole Pitch Circle Diameter |
138 mm |
| Inner Ring (Shaft/Locating Washer) Through Hole |
5.6 mm |
| Inner Ring (Shaft Washer) Sinkhole |
10 mm |
| Outer Ring (Housing Washer) Through Hole |
4.6 mm |
| Inner Ring (Shaft Washer) Sinkhole Depth |
4 mm |
| Outer Ring (Housing Washer) Chamfer Dimension r1 (min.) |
0.3 mm |
| Chamfer Dimension r2 (min.) |
0.3 mm |
| Basic Dynamic Load Rating – Radial Direction |
55 kN |
| Basic Static Load Rating – Radial Direction |
102 kN |
| Basic Dynamic Load Rating – Axial Direction |
37.5 kN |
| Attainable Speed For Grease Lubrication |
350 r/min |
| Attainable Speed For Oil-Air Lubrication |
700 r/min |
| Axial Preload |
1.3 kN |
| Axial Unloading Force |
2.8 kN |
| Frictional Moment |
3 N·m |
| Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face) |
5000000 kN/μm |
| Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face) |
3100000 kN/μm |
| Moment Stiffness |
7 kN·m/mrad |
| Ring Material |
Chrome Steel |
| Roller Material |
Chrome Steel |
| Cage Material |
Brass |
| Lubrication |
Grease, Oil |
| Temperature Range |
-30° to 110 °C |
| RoHS |
Compliant |
| REACH |
Compliant |
| Weight |
2.3 kg |
