Specification :

Deep groove ball bearings
Series: 68 series
Product Name: 68 series deep groove ball bearings
Brand: NCKBRT
Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ
Tolerance: ABEC-1, ABEC-3, ABEC-5, ABEC-7
Vibration level: V4, V3, V2, V1
Radial play: C0, C2, C3, C4, C5
Material: Gcr15
Retainer: PTFE, nylon, PEEK or (stainless)steel
Hardness: 59 - 63HRC
Application: transmission case, instrumentation, motor, household appliances, gas engine, transport vehicles, agricultural machinery, construction machinery and so on.
Series: 684 685 686 687 688 689 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6815 6816 6817 6818 6819 6820 684 685 686 687 688 689 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6815 6816 6817 6818 6819 6820 684ZZ 685ZZ 686ZZ 687ZZ 688ZZ 689ZZ 6800ZZ 6801ZZ 6802ZZ 6803ZZ 6804ZZ 6805ZZ 6806ZZ 6807ZZ 6808ZZ 6809ZZ 6810ZZ 6811ZZ 6812ZZ 6813ZZ 6815ZZ 6816ZZ 6817ZZ 6818ZZ 6819ZZ 6820ZZ