| E-mail:managing@jhb-bearings.com tang@jhb-bearing.net website:www.jhb-bearings.com | FAX:+86-510-82603379 Attn:Tang Yanzhao www.jhb-bearing.net |
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| Standard | Grade | Ball dia. mm |
Ball diameter tolerance |
Deviation from spherical from |
One group diameter variation |
Surface roughness(Ra) |