As a model with a relatively large bore within the imperial miniature series, the SUS304 version of the R8 bearing is designed primarily to address corrosion-resistant support requirements for larger shaft diameters. Thanks to its larger inner ring diameter, the bearing exhibits excellent centrifugal stability and heat dissipation capabilities during high-speed rotation.
Bearing Features
This specification highlights the non-magnetic and heat-resistant properties of 304 stainless steel, ensuring stable operation even in the vicinity of alternating electromagnetic fields. In practical applications, it is frequently used in motor output shafts, lightweight conveyor rollers, and the rotating shafts of landscaping machinery; capable of effectively withstanding chemical corrosion from fertilizers and pesticides, it serves as a key corrosion-resistant component in agricultural automation equipment.
Technical Specifications
| Bearing Reference | Boundary Diameters | Basic Dynamic | Basic Static | Limiting Speeds | ||||||||||||||||||
| Flange | Open | Shield | d inch |
d mm |
D inch |
D mm |
Df inch |
Df mm |
B inch |
B mm |
Bf inch |
Bf mm |
B1 inch |
B1 mm |
Bf1 inch |
Bf1 mm |
rsmin inch |
rsmin mm |
Cr kN |
Cor kN |
Grease | Oil |
| - | SR8 | ZZ | 0.5 | 12.7 | 1.125 | 28.575 | 1.2252 | 31.12 | 0.25 | 6.35 | 0.062 | 1.575 | 0.3125 | 7.938 | 0.062 | 1.575 | 0.0157 | 0.4 | 5.11 | 2.41 | 1.6 | 1.8 |

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