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R188-2RS Miniature Bearing
Dimensions: Bore (Inner) Diameter: 0.25"； Outer Diameter: 0.5000"； Width (Thickness): 0.1875";

R188-2RS
Slewing Bearings of similar size
same inner diameter
Product Attributes
Bearing Type Ball
For Load Direction Radial
Construction Single Row
Seal Type Sealed
Part Number R188 2rs
For Shaft Diameter 1/4"
Bore Dia (d) 0.25" | 6.35 mm
Bore Dia Tolerance -0.0003" to 0" | -0.008mm to 0
For Housing ID 1/2"
Outer Dia (D) 0.5000" | 12.7 mm
Outer Dia Tolerance -0.0003" to 0" | -0.008mm to 0
Width (B) 0.1875" | 4.763 mm
Width Tolerance -0.005" to 0" | -0.12mm to 0
Ring Material 52100 Chrome steel
Ball Material 52100 Chrome steel
Cage Material 300 Series Stainless Steel
Shield Material 300 Series Stainless Steel
Dynamic Load Rating (Cr) (Newtons) 920.98
Static Load Rating (Cor) (Newtons) 355.94
Max Speed (Grease) (X1000 RPM) 40
Max Speed (Oil) (X1000 RPM)  50
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Trade No. C0
Radial Clearance 0.00008" to 0.0005" | 0.002mm to 0.013mm
RoHS Compliant
Ball Qty 8
Ball Dia 1.999 mm
Weight (grams) 2.32
R188-2RS
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