7415-B-MP top 5 Latest High Precision Bearings
| Bearing number: | NRT 120 B |
| Size (mm): | 120x210x40 |
| Bore Diameter (mm): | 120 |
| Outer Diameter (mm): | 210 |
| Width (mm): | 40 |
| d: | 120 mm |
| D: | 210 mm |
| H: | 7 mm |
Product Details
| Bearing number | NRT 120 B |
| Size (mm) | 120x210x40 |
| Bore Diameter (mm) | 120 |
| Outer Diameter (mm) | 210 |
| Width (mm) | 40 |
| d | 120 mm |
| D | 210 mm |
| H | 7 mm |
| d1 | 184 mm |
| C | 12 mm |
| H1 | 26 mm |
| J | 135 mm |
| J1 | 195 mm |
| N1 | 11 mm |
| N2 | 7 mm |
| a | 6.2 mm |
| r1 - min. | 0.6 mm |
| r2 - min. | 0.3 mm |
| Basic dynamic load rating, radial direction - C | 64.4 kN |
| Basic static load rating, radial direction - C0 | 140 kN |
| Basic dynamic load rating, axial direction - C | 72 kN |
| Basic static load rating, axial direction - C0 | 450 kN |
| Limiting speed for grease lubrication | 230 r/min |
| Limiting speed for oil lubrication | 460 mm/min |
| Axial Preload | 2 N |
| Axial unloading force | 4.4 kN |
| Frictional moment - CRL | 6 N·m |
| axial stiffness | 8.5 N/micron |
| radial stiffness | 4.5 N/micron |
| Moment stiffness | 23000 kN·m/mrad |
| Mass bearing | 4.8 kg |
| Guideline diameter | 315 mm |
| Size - G | M8 |
| Number of bolts | 22 |
| Angle between bolts | 120 ° |
| Size bolts | M6 |
| Pitch - &alfa; | 15 ° |
| Number of bolts omitted at removal thread position | 3, 120° apart |
| Number of bolts omitted at retaining bolts position | 2, 180° apart |
| Tightening torque | 14 N·m |
| Size | M6 |
| N | 7 mm |
| r1 min. | 0.6 mm |
| r2 min. | 0.3 mm |
| Basic dynamic load rating - radial direction C | 64.4 kN |
| Basic static load rating - radial direction C0 | 140 kN |
| Basic dynamic load rating - axial direction C | 72 kN |
| Basic static load rating - axial direction C0 | 450 kN |
| Attainable speed for grease lubrication | 230 r/min |
| Attainable speed for oil-air lubrication | 460 r/min |
| Axial preload | 2 kN |
| Frictional moment CRL | 6 N·m |
| Axial stiffness | 8.5 kN/µm |
| Radial stiffness | 4.5 kN/µm |
| Guideline rotary table diameter | 315 mm |
| Size G | M8 |
| Number of threads | 3 |
| Angle between threads | 120 ° |
| Bolt size | M6 |
| Pitch α | 15 ° |
| Tightening torque (Bolt grade 10.9) | 14 N·m |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
