Miniature inch Ball Bearings Shielded R2-5ZZ

R2-5ZZ Inch Deep Groove Ball Bearing. Reliable quality for your needs. Buy now!!
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Miniature inch Ball Bearings Shielded R2-5ZZ


Miniature inch Ball Bearings Shielded R2-5ZZ Dimensions 1/8" x 5/16" x 9/64" R2-5ZZ Shielded Miniature Ball Bearing, this is a popular size that could be used in many applications, the inner diameter is 1/8" inch, outer diameter is 5/16" inch and the width is 9/64" inch, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.


Rolling ball bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use. The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.



Bearing Type Ball
For Load Direction Radial
Construction Single Row
Seal Type Shielded
Part Number R2-5ZZ
For Shaft Diameter 0.125"
Bore Dia (d) 0.125"
Bore Dia Tolerance -0.0003" to 0
For Housing ID 0.3125"
Outer Dia (D) 0.3125"
Outer Dia Tolerance -0.0003" to 0
Width (B) 0.1406"
Width Tolerance -0.0.05" 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) 107 lbf
Static Load Rating (Cor) (Newtons) 32 lbf
Max Speed (Grease) (X1000 RPM) 60
Max Speed (Oil) (X1000 RPM) 67
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"
RoHS Compliant
Ball Qty 6
Ball Dia 0.06252"
Weight (grams) 0.74

1 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.
2 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.


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