| Part Number | NU 20/850 ECMA |
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| For Load Direction | Combined Radial and Thrust |
| Construction | Single Row |
| Inner Ring Type | With Inner Ring |
| Seal Type | Open |
| Bore Dia | 850 mm |
| Bore Dia Tolerance | -0.10mm to 0 |
| Outer Dia | 1220 mm |
| Outer Dia Tolerance | -0.125mm to 0 |
| Width | 212 mm |
| Width Tolerance | -1.00mm to 0 |
| Shoulder Diameter Of Outer Ring | 1110 mm |
| Raceway Diameter Of Inner Ring | 942 mm |
| Chamfer Dimension r1,2(min.) | 7.5 mm |
| Permissible Axial Displacement(max.) | 2 mm |
| Ring Material | 52100 Chrome Steel |
| Roller Material | 52100 Chrome Steel |
| Cage Material | Brass cage, outer ring centred |
| Dynamic Load Rating | 8420 kN |
| Static Load Rating | 18600 kN |
| Max Speed (X1000 rpm) | 1 |
| Lubrication | Grease, Oil |
| Temperature Range | -30° to 110 °C |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 880 kg |
Aubearing is an ISO certified Chinese bearing manufacturer and supplier. Competitive prices, 1,200,000+ SKU inventory, including internationally renowned brands such as SKF, Timken, Schaeffler (FAG, INA), NSK, KOYO, NTN, McGill, etc. Aubearing has invested in 300+ equipment, heat treatment facilities, lathes, grinders, milling machines, bearing production lines, CMMs, metallographic testers, etc. Leading Time<7 Days, MOQ=1.
Various types of ball bearings and roller bearings, size range: 1mm-2000mm. Including thin section bearings (KAYDON equivalents and 67, 68, 69 series), ceramic bearings, stainless steel bearings, deep groove ball bearings, angular contact bearings, thrust ball bearings, spherical roller bearings, cylindrical roller bearings, needle roller bearings, tapered roller bearings, precision crossed roller bearings, bushings (sleeve bearings), linear bearings, automotive wheel hub bearings and corresponding inch series.
Customization options: material (Gcr15, silicon nitride, silicon carbide, zirconium oxide, aluminum oxide, stainless steel 304, 316, 420, 440, PTFE\PEEK\nylon and other plastics), cage (brass, stamping steel, retainer), lubrication (lubricating oil, grease, high temperature resistance), clearance (C2\CN\C3\C4\C5), seal (nitrile rubber, silicone rubber, fluororubber, polypropylene rubber), shielding, etc.