NORTHERN OVERSEAS GROUP LIMITED
　 　

Characteristics of Various of Bearings
Type Radial load Axial Load Compound load   Shield     &  Seal Self Aligning Rings Separable High Speed High Rigidity High Running Precision Low Friction　 Low Runging Noise Tapered

 Bore

Deep Groove Ball Bearing + + + ++ - - - - +++ + +++ +++ +++ - -
Self-Aligning Ball Bearing + - - ++ +++ - - ++ - ++ ++ ++ ++
Angular Contact Ball Bearing + + ++ - - - - - - ++ - +++ ++ ++ - -
Four-Point Ball Bearing - + + - - - - ++ ++ + + + + - -
Cylindrical Roller Bearing ++ - -  - - - - - - ++ +++ ++ ++ ++ ++ - -
Needle Roller Bearing ++ - - - - ++ - - ++ + ++ + - + - -
Spherical Roller Bearing +++ + +++ ++ ++ - - + ++ + + + ++
Taper Ball Bearing ++ ++ +++ - - - - ++ + ++ ++ + + - -
Thrust Ball Bearing - - + - - - - - - ++ + + + + - - -
Thrust Cylindrical Roller Bearing - - ++ - - - - - - ++ - ++ ++ - - - -
Thrust Needle Roller Bearing - - ++ - - - - - - ++ - ++ + - - - -
Thrust Spherical Roller Bearing - - +++ + - - - - ++ + ++ + + - - -
Self-Aligning Roller Bearing +++ + ++ - - +++ - - + - + + ++ - -

Symbols:
+++    excellent
++      good
+        fair
-         poor
- -       unsuitable      

 　
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