NSK M-851 needle roller bearings
NSK M-851 needle roller bearings Product NTN Bearing de Mexico, S.A. Brochures , 23.81 mm d needle roller bearings Manufacturing Service . Get 13.5 mm s1 Your Free.
What is M-851 bearing interchange？
| Brand Name: | NSK |
| Model Number: | M-851 |
| Bearing number: | 7017 ACD/HCP4AH1 |
| Size (mm): | 130x85x22 |
| Bore Diameter (mm): | 130 |
| Outer Diameter (mm): | 85 |
| Width (mm): | 22 |
| d: | 85 mm |
| D: | 130 mm |
| B: | 22 mm |
| PDF |
M-851 |
Product Details
| Bearing number | 7017 ACD/HCP4AH1 |
| Size (mm) | 130x85x22 |
| Bore Diameter (mm) | 130 |
| Outer Diameter (mm) | 85 |
| Width (mm) | 22 |
| d | 85 mm |
| D | 130 mm |
| B | 22 mm |
| d1 | 98.9 mm |
| d2 | 98.9 mm |
| D1 | 116.1 mm |
| K | 0.5 mm |
| C1 | 5.9 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 36.2 mm |
| da - min. | 91 mm |
| db - min. | 91 mm |
| Da - max. | 124 mm |
| Db - max. | 126 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 101.9 mm |
| Basic dynamic load rating - C | 63.7 kN |
| Basic static load rating - C0 | 62 kN |
| Fatigue load limit - Pu | 2.5 kN |
| Limiting speed for grease lubrication | 11000 r/min |
| Limiting speed for oil lubrication | 17000 mm/min |
| Ball - Dw | 14.288 mm |
| Ball - z | 21 |
| Gref | 11.7 cm3 |
| Calculation factor - e | 0.68 |
| Calculation factor - Y2 | 1.41 |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - X2 | 0.67 |
| Calculation factor - Y1 | 0.92 |
| Preload class A - GA | 400 N |
| Preload class B - GB | 800 N |
| Preload class C - GC | 1600 N |
| Preload class D - GD | 3200 N |
| Calculation factor - f | 1.15 |
| Calculation factor - f1 | 0.99 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.02 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - f2D | 1.08 |
| Calculation factor - fHC | 1.02 |
| Preload class A | 258 N/micron |
| Preload class B | 338 N/micron |
| Preload class C | 450 N/micron |
| Preload class D | 609 N/micron |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 91 mm |
| db min. | 91 mm |
| Da max. | 124 mm |
| Db max. | 126 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 63.7 kN |
| Basic static load rating C0 | 62 kN |
| Fatigue load limit Pu | 2.5 kN |
| Attainable speed for grease lubrication | 11000 r/min |
| Attainable speed for oil-air lubrication | 17000 r/min |
| Ball diameter Dw | 14.288 mm |
| Number of balls z | 21 |
| Reference grease quantity Gref | 11.7 cm³ |
| Preload class A GA | 400 N |
| Static axial stiffness, preload class A | 258 N/µm |
| Preload class B GB | 800 N |
| Static axial stiffness, preload class B | 338 N/µm |
| Preload class C GC | 1600 N |
| Static axial stiffness, preload class C | 450 N/µm |
| Preload class D GD | 3200 N |
| Static axial stiffness, preload class D | 609 N/µm |
| Calculation factor f | 1.15 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.08 |
| Calculation factor fHC | 1.02 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 0.74 kg |
