KOYO NTA-512 services Thrust Roller Bearing
| Brand Name |
KOYO NTA-512 services Thrust Roller Bearing |
| Model Number |
NTA-512 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
| PDF |
NTA-512 |
Product Details
| Bearing number | 4T-HM212046/HM212011 |
| Size (mm) | 63.5x122.238x38.1 |
| Bore Diameter (mm) | 63,5 |
| Outer Diameter (mm) | 122,238 |
| Width (mm) | 38,1 |
| d | 63,5 mm |
| D | 122,238 mm |
| T | 38,1 mm |
| B | 38,354 mm |
| C | 29,718 mm |
| ra1 max. | 3,3 mm |
| a | 11,1 mm |
| Da | 108 mm |
| db | 73 mm |
| ra max. | 3,5 mm |
| da | 80 mm |
| Db | 116 mm |
| Weight | 1,95 Kg |
| Basic dynamic load rating (C) | 187 kN |
| Basic static load rating (C0) | 244 kN |
| (Grease) Lubrication Speed | 3 100 r/min |
| (Oil) Lubrication Speed | 4 100 r/min |
| Calculation factor (e) | 0,34 |
| Calculation factor (Y0) | 0,98 |
| d1 | 91.5 mm |
| e | 0.34 |
| Y2 | 1.78 |
| Y0 | 0.98 |
| Mass | 1.95 kg |
| Dynamic load, C | 187 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 244 kN |
| Fatigue limit load, Cu | 29.8 kN |
| Nlim (oil) | 4,100 rpm |
| Nlim (grease) | 3,100 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 6.06 Hz |
| Characteristic outer ring frequency, BPF0 | 7.17 Hz |
| Characteristic inner ring frequency, BPFI | 9.83 Hz |
| ra max | 3.5 mm |
| r1a max | 3.3 mm |
Company Profile
| Worktime |
Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00) |
| Phone |
(65) 8257 8518 |
| Fax |
(65) 6258 7399 |
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