Supply thin section deep groove ball bearings. 6900 series is the super thin extra light series ball bearings are specifically designed for applications where space limitations are an important consideration and shafts are very large. Smaller but more ball complements still enable the bearing to withstand appropriate loading capability.6800 series ball bearings function is similar to the 6900 series. These bearings have a slightly larger outside diameter than the 6900 series, it provides better loads. Sealed bearings may be obtained with light, standard or heavy starting torques. Radial clearance is selected in accordance to applications ranging from C2, C0, C3 and C4 fits. Lubricated with a good grease, the sealed bearings can have better operational and lift performance. Model No.: 6800,6801,6802,6803,6804,6805,6806,6807,6808,6809,6810 6900,6901,6902,6903,6904,6905,6906,6907,6908,6909,6910 1. Features: Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ Ball bearings snap ring: N, NR Tolerance: ABEC-1, ABEC-3, ABEC-5 Vibration level: V4, V3, V2, V1 Radial play: C0, C2, C3, C4 Material: AISI52100, AISI440C2. Versions: With one or two side rubber seal RS, 2RS With one or two side metal shields Z and ZZ (2Z) With a snap ring groove in outer ring N With a snap ring groove in outer ring and external snap ring NR