Ningbo Qitan Bearing Co.,Ltd1
Add : No.211 West Nanyi Road, Zhenhai District, Ningbo, Zhejiang Province, China 315200
Phone:+86 182 6295 3431
Website：www.alibearing.com
E-mail : lili@alibearing.com

R4 Series Miniature Ball Bearing

Model	Seal Type	Bore Dia (d)	Outer Dia (D)	Width (B)	Dynamic Load Rating (Cr) (N)	Static Load Rating (Cor) (N)	MAX SPEED (GREASE) (X1000 RPM)	MAX SPEED (OIL) (X1000 RPM)
R4B	Open	0.2500"	0.6250"	0.1960"	1610	660	38	45
R4Bzz	Shielded	0.2500"	0.6250"	0.1960"	1610	660	38	45
R4B 2rs	Sealed	0.2500"	0.6250"	0.1960"	1610	660	38	45
R4	Open	0.2500"	0.6250"	0.1960"	1480	615	38	45
R4zz	Shielded	0.2500"	0.6250"	0.1960"	1480	615	38	45
R4 2rs	Sealed	0.2500"	0.6250"	0.1960"	1480	615	38	45
R4A	Open	0.2500"	0.7500"	0.2188"	2340	885	36	43
R4Azz	Shielded	0.2500"	0.7500"	0.2812"	2340	885	36	43
R4A 2rs	Sealed	0.2500"	0.7500"	0.2812"	2340	885	36	43