Koyo NRB M-18161 Roller bearing
| Brand Name |
Bearings,Roller Bearings,Needle Roller Bearings & Rings,Needle Roller Bearings,M-18161 |
| Model Number |
M-18161 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number | 7228BGM |
| Size (mm) | 140x250x42 |
| Bore Diameter (mm) | 140,000 |
| Outer Diameter (mm) | 250,000 |
| Width (mm) | 42,000 |
| d | 140,000 mm |
| D | 250,000 mm |
| B | 42,000 mm |
| C | 42,000 mm |
| d1 | 183.5 mm |
| d2 | 152.7 mm |
| D1 | 207.5 mm |
| D2 | 237.8 mm |
| a | 103 mm |
| Contact angle α | 40 ° |
| rs min | 3 mm |
| r1s min | 1.1 mm |
| Radial clearance class | CN |
| Mass | 8.91 kg |
| Dynamic load, C | 193 kN |
| Static load, C0 | 213 kN |
| Fatigue limit load, Cu | 6.9 kN |
| Nref | 3,400 rpm |
| Nlim | 3,200 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 5.75 Hz |
| Characteristic outer ring frequency, BPF0 | 6.95 Hz |
| Characteristic inner ring frequency, BPFI | 9.05 Hz |
| da min | 154 mm |
| db min | 154 mm |
| Da max | 236 mm |
| Db max | 243 mm |
| r1a max | 1 mm |
| ra max | 2.5 mm |
Company Profile
| Worktime |
Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00) |
| Phone |
(65) 8257 8518 |
| Fax |
(65) 6258 7399 |
