Koyo torrington EE4SZZ miniaturer ball bearing

Product Description

Koyo torrington EE4SZZ miniaturer ball bearing


Inner Diameter:12.7mm

Outer Diameter: 28.575mm

Width: 7.938mm

Weight: 0.022kgs

BHR Bearing profile

About BHR Bearing ( Shenzhen Qinggong Bearing Co, Ltd.)

Shenzhen Qinggong Bearing Co., Ltd. (www.bhrbearing.cn)is a well-know bearing manufacturer in China since the year 1996 with its own factory. Despite our own BHR bearings, we also distribute kinds of famous branded bearings from worldwide manufacturers SKF, FAG, NSK, KOYO, NTN, NACHI, ASAHI, TOYOTA......and customized OEM service is also available if needed.


We Shenzhen Qinggong Bearing Co., Ltd. is focused and committed to deliver our customers high quality products and solutions because they are at the core of everything we do. By combining technology with our design engineering expertise we are able to offer a breadth of advanced bearings and solutions.


With variety of bearings, competitive prices, fast delivery and good after-sale service, hope we will get a chance to talk bearings together.

Inch size ball bearing catalogue

Bearing Number
Open Shield Seal Non-contact Seal contact Bore Outer diameter
d D
in mm in mm
R2 ZZ 2RZ 2RS 1/8 3.175 3/8 9.52
R2A ZZ 2RZ 2RS 1/8 3.175 1/2 12.7
R3 ZZ 2RZ 2RS 3/16 4.763 1/2 12.7
R3A ZZ 2RZ 2RS 3/16 4.763 1/2 12.7
R4 ZZ 2RZ 2RS 1/4 6.35 5/8 15.875
R4A ZZ 2RZ 2RS  1/4 6.35 3/4 19.05
R6 ZZ 2RZ 2RS 3/8 9.525 7/8 22.225
R8 ZZ 2RZ 2RS 1/2 12.7 1-1/8 28.575
R10 ZZ 2RZ 2RS 5/8 15.875 1-3/8 34.925
R12 ZZ 2RZ 2RS 3/4 19.05 1-5/8 41.275
R13 ZZ 2RZ 2RS 3/4 19.05 1-3/4 44.45
R14 ZZ 2RZ 2RS 7/8 22.225 1-7/8 47.625

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