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ABIS Miniature and Precision Ball Bearings

With bores of 0.6 to 90mm and precision grades to ABEC 7

Bearing Selector Results

Part No. 684
Specifiers: 684

Material High Carbon Chromium Steel
Bore (d) 4 in
O.D (D) 9 in
Width (b) 2.5 in
Radial Play
Noise Tested Standard
Tolerance ABEC 1-metric ISO P0
Country of Origin
Flange Diameter n/a
Radius Diameter 0.1 in
Load Rating Cr(N) 641
Load Rating Cor(N) 227
Cage Types W: One Piece Steel Crown Type
J: Two Piece Steel Ribbon Type
TW: One Piece Nylon Crown Type
Cage Type Descriptions W: The stainless steel pressed cage is inner ring guided. It shows excellent performance in low torque, low speed applications.

J: Consists of two mating steel pressings, the cover side and the finger side.
Usually guided by the rolling elements and designed to reduce frictional torque.

TW: Moulded nylon cage. Reduces the fluctuation in running torque. Suitable for high speeds. Guided by the rolling elements. NYLON CAGE operating temperature range from -30 to +120°C.

Ball Complement Qty.: Z 7
Ball Complement Size: Dw 1.588
Lubricant
Lubricant Process
Max Speed ,000 rpm

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