| Part Number |
NRT 850 A |
| System of Measurement |
Metric |
| Roller Bearing Type |
Cylindrical |
| For Load Direction |
Combined |
| Bore Dia |
850 mm |
| Bore Dia Tolerance |
-0.05mm to 0 |
| Outer Dia |
1095 mm |
| Outer Dia Tolerance |
-0.055mm to 0 |
| Width |
124 mm |
| Height Tolerance |
-0.85mm to 0 |
| Shoulder Diameter Inner Ring – Large Shoulder |
1018 mm |
| Outer Ring (Housing Washer) Width |
37 mm |
| Distance |
80.5 mm |
| Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter |
890 mm |
| Outer Ring (Housing Washer) Hole Pitch Circle Diameter |
1055 mm |
| Inner Ring (Shaft/Locating Washer) Through Hole |
18 mm |
| Inner Ring (Shaft Washer) Sinkhole |
26 mm |
| Outer Ring (Housing Washer) Through Hole |
18 mm |
| Inner Ring (Shaft Washer) Sinkhole Depth |
17 mm |
| Outer Ring (Housing Washer) Chamfer Dimension r1 (min.) |
1.5 mm |
| Chamfer Dimension r2 (min.) |
1.5 mm |
| Basic Dynamic Load Rating – Radial Direction |
473 kN |
| Basic Static Load Rating – Radial Direction |
2120 kN |
| Basic Dynamic Load Rating – Axial Direction |
415 kN |
| Attainable Speed For Grease Lubrication |
40 r/min |
| Attainable Speed For Oil-Air Lubrication |
80 r/min |
| Axial Preload |
47 kN |
| Axial Unloading Force |
103 kN |
| Frictional Moment |
300 N·m |
| Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face) |
77000000 kN/μm |
| Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face) |
22400000 kN/μm |
| Moment Stiffness |
7011 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 |
253 kg |
