55 mm x 120 mm x 29 mm 55 mm x 120 mm x 29 mm KOYO NUP311R KOYO Bearing
Welcome to the 55 mm x 120 mm x 29 mm 55 mm x 120 mm x 29 mm KOYO NUP311R KOYO Bearing online seller. UBC Mechanical Electronic Instrument Co., Ltd. 55 mm x 120 mm x 29 mm 16 da_min
What is NUP311R bearing interchange？
| Brand Name: | KOYO |
| Model Number: | NUP311R |
| Bearing number: | 4T-30305D |
| Size (mm): | 25x62x18.25 |
| Bore Diameter (mm): | 25 |
| Outer Diameter (mm): | 62 |
| Width (mm): | 18,25 |
| d: | 25 mm |
| D: | 62 mm |
| T: | 18,25 mm |
| PDF |
NUP311R |
Product Details
| Bearing number | 4T-30305D |
| Size (mm) | 25x62x18.25 |
| Bore Diameter (mm) | 25 |
| Outer Diameter (mm) | 62 |
| Width (mm) | 18,25 |
| d | 25 mm |
| D | 62 mm |
| T | 18,25 mm |
| B | 17 mm |
| C | 13 mm |
| ra1 max. | 1,5 mm |
| a | 20 mm |
| r min. | 1,5 mm |
| r1 min. | 1,5 mm |
| da min. | 33,5 mm |
| Da min | 45,5 mm |
| Da max. | 53,5 mm |
| db max. | 34 mm |
| Db min. | 58,5 mm |
| ra max. | 1,5 mm |
| Sa | 3 mm |
| Sb | 5 mm |
| Weight | 0,284 Kg |
| Basic dynamic load rating (C) | 40,5 kN |
| Basic static load rating (C0) | 43,5 kN |
| (Grease) Lubrication Speed | 5 900 r/min |
| (Oil) Lubrication Speed | 7 800 r/min |
| Calculation factor (e) | 0,83 |
| Calculation factor (Y0) | 0,4 |
| d1 | 46 mm |
| rs min | 1.5 mm |
| r1s min | 1.5 mm |
| e | 0.83 |
| Y2 | 0.73 |
| Y0 | 0.4 |
| Mass | 0.28 kg |
| ISO 355 reference | T7FB025 |
| Dynamic load, C | 40.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 43.5 kN |
| Fatigue limit load, Cu | 5.3 kN |
| Nlim (oil) | 7,800 rpm |
| Nlim (grease) | 5,900 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 | 5.53 Hz |
| Characteristic outer ring frequency, BPF0 | 6.76 Hz |
| Characteristic inner ring frequency, BPFI | 9.24 Hz |
| da max | 34 mm |
| db min | 33.5 mm |
| Da max | 53.5 mm |
| Db min | 58.5 mm |
| Ca min | 3 mm |
| Cb min | 5 mm |
| ra max | 1.5 mm |
| r1a max | 1.5 mm |
| Category | Roller Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.251 |
| Product Group | B04334 |
