NSK 7310 BW DB Angular Contact Ball Bearing
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Duplex Angular Contact Ball Bearing
NSK 7310 BWDB 904 duplex angular contact ball bearing set with back-to-back (DB) arrangement for high rigidity and precision load handling.7310904AngularArrangementBackBallbearingBwdbContactdbDuplexHighIndustrialLoadMatchedNSKPairPrecisionSetspindleto
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NSK 7310 BWDB 904 Duplex Angular Contact Ball Bearing
A high-precision duplex angular contact ball bearing manufactured by NSK, designed for applications requiring high rigidity, accurate shaft guidance, and the ability to support combined radial and axial loads. This bearing set is supplied as a matched back-to-back (DB) arrangement, ensuring excellent load distribution and stability in high-performance industrial machinery.
Manufacturer: NSK
Type: Duplex Angular Contact Ball Bearing
Model: 7310 BWDB 904
Application:
Precision spindle assemblies, machine tools, industrial gearboxes, and high-load rotating machinery requiring rigid bearing arrangements and accurate axial positioning
| Bore Diameter (d) | 50 mm |
| Outer Diameter (D) | 110 mm |
| Width (B) | 27 mm |
| Contact Angle | 40 degrees |
| Basic Dynamic Load Rating (Cr) | 82000 N |
| Basic Static Load Rating (C0r) | 50500 N |
| Limiting Speed (Oil) | 5600 rpm |
| Limiting Speed (Grease) | 4000 rpm |
| Cage | Pressed Steel |
| Matched Arrangement | Yes (DB “ Back-to-Back (O-arrangement) matched pair) |
| Number of Items per Set | 2 |
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