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719/4,719/5……, ABEC7/P4 ,AEBC/P2 precision, contact
angle 15 and 25 avaliable, grease speed120,000 rpm, oil
speed 135,000rpm, Ring and Balls are made from military
bearing steel , ceramic balls are avaliable, fiber
reinforced phenolic retainer. EXTREMELLY GOOD QUALITY
1. Ultra-accuracy - P4/ABEC7 for spindles.
2. High Performance Materials -stainless steel (9Cr18) &
military high carbon chrome bearing steel (ZGCr15)
3. High speed, low noise & friction with low working
temperature:
angular contact ball bearing 719/4 ,719/5……
Luoyang RHD motor bearing LTD
dental handpiece bearing,
