KB6_ _ _ZZ - Heat-Resistant Grease, Filled Ball Bearings

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PN Part No.	KB6903ZZ KB6903ZZ
MATR Material of Inner/Outer Ring	440C Stainless Steel
HARDR Hardness of Inner/Outer Ring	57~63HRC
MATS Material of Shield	304 Stainless Steel
MATRE Material of Rolling Element	440C Stainless Steel
MATC Material of Retainer	304 Stainless Steel
OT Operating Temperature	0 ~ +230	°C
BN Bearing No.	6903ZZ 6903ZZ
DD d	17 17	mm
D	30 30	mm
B	7 7	mm
RR r (min)	0.3 0.3	mm
CR Basic Load Rating Cr (Dynamic)	3.90 3.90	kN
COR Basic Load Rating Cor (Static)	2.04 2.04	kN
ARF Allowable Revolution Frequency (Reference)	2100 2100	rpm
DSMIN Relative Dimension Ds (min)	19 19	mm
DSMAX Relative Dimension Ds (max)	19.5 19.5	mm
DDHH Relative Dimension dh (max)	28 28	mm
R Relative Dimension R (max)	0.3 0.3
MASS Mass (Reference)	18 18	g

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