KOYO SBPP204 bearing units
What are the dimensions of a KOYO SBPP204 bearing units? 28x68x25.75 Size (mm) Manufacturing Service . Get Your Free, Instant Quote！
| Size (mm) | 28x68x25.75 |
| Bore Diameter (mm) | 28 |
| Outer Diameter (mm) | 68 |
| Width (mm) | 25,75 |
| d | 28 mm |
| D | 68 mm |
| T | 25,75 mm |
| B | 24 mm |
| C | 20 mm |
| a | 20,5 mm |
| r min. | 1,5 mm |
| r2 min. | 1,5 mm |
| da min. | 36,5 mm |
| da max | 35 mm |
| Da min | 51 mm |
| Da max. | 59,5 mm |
| Db min. | 64 mm |
| ra max. | 1,5 mm |
| rb max. | 1,5 mm |
| Weight | 0,48 Kg |
| Basic dynamic load rating (C) | 66,5 kN |
| Basic static load rating (C0) | 72,9 kN |
| (Grease) Lubrication Speed | 6300 r/min |
| (Oil) Lubrication Speed | 8500 r/min |
| Calculation factor (e) | 0,55 |
| Calculation factor (Y0) | 0,6 |
| Bearing No. | 323/28CR |
| r(min) | 1.5 |
| r1(min) | 1.5 |
| Cr | 83.2 |
| C0r | 72.9 |
| Cu | 10.5 |
| Grease lub. | 6300 |
| Oil lub. | 8500 |
| a(mm) | 20.5 |
| da(min) | 36.5 |
| db(max) | 35 |
| Da(max) | 59.5 |
| Da(min) | 51 |
| Db(min) | 64 |
| Sa(min) | 3 |
| Sb(min) | 5.5 |
| ra(max) | 1.5 |
| rb(max) | 1.5 |
| e | 0.55 |
| Y1 | 1.10 |
| Y0 | 0.60 |
| (Refer.)Mass(kg) | 0.480 |
Detailed Parameters
parameter：
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