NTN 2311K Self Aligning Ball Bearings
| Brand Name: | NTN |
| Model Number: | 2311K |
| Bearing number: | 4T-30302 |
| Size (mm): | 15x42x14.25 |
| Bore Diameter (mm): | 15 |
| Outer Diameter (mm): | 42 |
| Width (mm): | 14,25 |
| d: | 15 mm |
| D: | 42 mm |
| T: | 14,25 mm |
| PDF |
2311K |
Product Details
| Bearing number | 4T-30302 |
| Size (mm) | 15x42x14.25 |
| Bore Diameter (mm) | 15 |
| Outer Diameter (mm) | 42 |
| Width (mm) | 14,25 |
| d | 15 mm |
| D | 42 mm |
| T | 14,25 mm |
| B | 13 mm |
| C | 11 mm |
| ra1 max. | 1 mm |
| a | 9,5 mm |
| r min. | 1 mm |
| r1 min. | 1 mm |
| da min. | 20,5 mm |
| Da min | 35 mm |
| Da max. | 36,5 mm |
| db max. | 22 mm |
| Db min. | 38 mm |
| ra max. | 1 mm |
| Sa | 2 mm |
| Sb | 3 mm |
| Weight | 0,098 Kg |
| Basic dynamic load rating (C) | 23,2 kN |
| Basic static load rating (C0) | 20,8 kN |
| (Grease) Lubrication Speed | 9 900 r/min |
| (Oil) Lubrication Speed | 13 000 r/min |
| Calculation factor (e) | 0,29 |
| Calculation factor (Y0) | 1,16 |
| d1 | 28 mm |
| rs min | 1 mm |
| r1s min | 1 mm |
| e | 0.29 |
| Y2 | 2.11 |
| Y0 | 1.16 |
| Mass | 0.1 kg |
| ISO 355 reference | T2FB015 |
| Dynamic load, C | 23.2 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 20.8 kN |
| Fatigue limit load, Cu | 2.55 kN |
| Nlim (oil) | 13,000 rpm |
| Nlim (grease) | 9,900 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.39 Hz |
| Characteristic rolling element frequency, BSF | 4.14 Hz |
| Characteristic outer ring frequency, BPF0 | 4.65 Hz |
| Characteristic inner ring frequency, BPFI | 7.35 Hz |
| da max | 22 mm |
| db min | 20.5 mm |
| Da max | 36.5 mm |
| Db min | 38 mm |
| Ca min | 2 mm |
| Cb min | 3 mm |
| ra max | 1 mm |
| r1a max | 1 mm |
| Category | Roller Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Product Group | B04334 |
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