AST R4 bearing,R4 Deep Groove Ball Bearings--BEARINGPOWER Co.,Ltd.
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(dimensions in inches)

Bearing Type - Open

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Width (B) - 0.1960

Radius (min) (rs) - 0.002

Dynamic Load Rating (Cr) - 333

Static Load Rating (Cor) - 131

Max Speed (Grease) (X1000 RPM) - 38

Max Speed (Oil) (X1000 RPM) - 45

Max. Shaft Shoulder Dia. Inner (Li) - 0.4

Min. Housing Shoulder Dia., Outer (Lo) - 0.5

Ball Qty - 8

Ball Dia (Dw) - 0.0937

Weight (g) - 4.46

Precision - A1

Standard Clearance - K25

Material - 52100 Chrome steel (or equivalent)

Also available in Stainless Steel, add prefix "S"

ABEC Grades 1, 3, 5, 7, and 9 are available.

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Hot number:NACHI 47686/47620A NACHI 560S/553X ISO 61924 ZZ Timken 69354/69630 SKF 7212BECBM Timken GC1200KPPB2 Timken M244249A/M244210 NSK QJ 228 ISO SL183015 HOFF R555L NTN F-UCPM208 RBC 95716 Torrington 60BIC259 CONSOLIDATED NCF-2238V CONSOLIDATED SS61705-2RS FAG 22336-MB NACHI 24056E FAG 32020-X-XL NKE 54306 CX 618/600 FAG 6200-2Z NSK 7017 C FAG 713644340 SKF BC1B322011C3 SKF LUNF 16 KOYO RAX 730 FAG HCB7022C.T.P4S Hyatt 97740 Torrington 280BA10 CONSOLIDATED 56x72x8mm