The most typical type of radial ball bearings can support axial loads in both directions in addition to radial loads. Some types have a flange or retaining ring on the outer ring to facilitate axial positioning when mounting the housing.
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NMB Parts No. DDL-625 Metric or Inch Metric ISO/JIS 68/2.5 Material of Rings Stainless Steel Ring Type [Radial] basic type Inner Diameter(d)
[mm]2.500 Inner Diameter(d)Tolerance
[mm]Compliant with JIS standards Outer Diameter(D)
[mm]6.000 Outer Diameter(D)Tolerance
[mm]Compliant with JIS standards Width(B)
[mm]1.800 Width(B)Tolerance
[mm]Compliant with JIS standards Chamfer(rs min)
[mm]0.080 Reference Diameter Outer(Lo)
[mm]4.930 Reference Diameter Inner(Li)
[mm]3.800 Ball Size(DW)
[mm]0.7938 Ball Complement(Z) 8 Dynamic Load Rating(Cr)
[N]206 Static Load Rating(Cor)
[N]73 Inner Diameter(d)
[in]0.0984 Outer Diameter(D)
[in]0.2362
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Technical Data
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Engineering Information
Technical Data
- Bearing Types
- Names and Symbols
- Part Numbering System
- Selecting Process
- Application Structure, Required Performance, Environment
- Material
- Shield and Seal
- Retainer
- Load rating and rating life
- Tolerance and precision grade
- Measurement methods
- Internal Clearance
- Fits
- Designs of shaft and housing
- Preload
- Displacement
- Torque
- Vibration by forced rotation
- Noise
- Combination with Resin Parts
- Lubricants
- Handling of a Bearing
- Trouble Symptoms, Causes and Countermeasures
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