OEM No/Model: R144zz Bearings
1, Seals form: open, metal shielded(zz), rubber seals(2rs).
2, Accuracy class: ABEC-1, ABEC-3, ABEC-5, ABEC-7, ABEC-9, precision mini bearing strart from ABEC-5, the higher number, the higher precision.
3, High speed: we can supply high speed bearings of the biggest speed 450,000rpm, they are used in spindle, dental handpiece etc. We also have low-speed bearings used in jewelry, robots industry.
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