Single Row Ball Bearing - R2-5

R2-5

SKU: NBK-R2-5

Single Row Deep Groove Ball Bearings are widely recognized as the predominant type of rolling bearing, featuring inner and outer ring raceway grooves that form a circular arc with a radius slightly larger than that of the balls.

Brand

NBK

Cage Material

Steel

Bearing Industry Number

R2-5

Closure

Customizable

Bore Diameter

1/8" (3.175 mm)

Number of Rows

1

Bore Diameter Tolerance

+0 / -0.007 mm

Maximum Temperature

100°C / 212°F (Customizable)

Outside Diameter

5/16" (7.938 mm)​

Minimum Temperature

-30°C / -22 °F (Customizable)

Outside Diameter Tolerance

+0 / -0.007 mm

Dynamic Radial Load Capacity

452 N

Outer Ring Width

7/64" (Open) / 9/64" (Capped)

Static Radial Load Capacity

156 N

Fillet Radius

0.0031"

Maximum Speed

52000/61000 rpm (Grease/Oil)

Ring Material

AISI 52100

Lubricant Material

Grease or Oil

Ball Material

AISI 52100 (Steel) / Si3N4 (Ceramic)

ABEC Rating

3 (Customizable)

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