SB5238 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | SB5238 |
| Bearing number: | 4T-JHM516849/JHM516810 |
| Size (mm): | 85x140x39 |
| Bore Diameter (mm): | 85 |
| Outer Diameter (mm): | 140 |
| Width (mm): | 39 |
| d: | 85 mm |
| D: | 140 mm |
| T: | 39 mm |
| PDF |
SB5238 |
Product Details
| Bearing number | 4T-JHM516849/JHM516810 |
| Size (mm) | 85x140x39 |
| Bore Diameter (mm) | 85 |
| Outer Diameter (mm) | 140 |
| Width (mm) | 39 |
| d | 85 mm |
| D | 140 mm |
| T | 39 mm |
| B | 38 mm |
| C | 31,5 mm |
| ra1 max. | 2,5 mm |
| a | 5,9 mm |
| Da | 125 mm |
| db | 94 mm |
| ra max. | 3 mm |
| da | 100 mm |
| Db | 134 mm |
| Weight | 2,3 Kg |
| Basic dynamic load rating (C) | 197 kN |
| Basic static load rating (C0) | 297 kN |
| (Grease) Lubrication Speed | 2 500 r/min |
| (Oil) Lubrication Speed | 3 400 r/min |
| Calculation factor (e) | 0,41 |
| Calculation factor (Y0) | 0,81 |
| d1 | 113 mm |
| e | 0.41 |
| Y2 | 1.47 |
| Y0 | 0.81 |
| Mass | 2.3 kg |
| Dynamic load, C | 197 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 297 kN |
| Fatigue limit load, Cu | 35 kN |
| Nlim (oil) | 3,400 rpm |
| Nlim (grease) | 2,500 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.44 Hz |
| Characteristic rolling element frequency, BSF | 8.22 Hz |
| Characteristic outer ring frequency, BPF0 | 9.28 Hz |
| Characteristic inner ring frequency, BPFI | 11.72 Hz |
| ra max | 3 mm |
| r1a max | 2.5 mm |
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