NSK 7312 BTDBD+2KL10AC3 Angular Contact Ball Bearing
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Triplex Angular Contact Ball Bearing
NSK 7312 BT DBD+2KL10AC3 triplex angular contact ball bearing with back-to-back matched arrangement, high load capacity, and precision performance for industrial and machine tool applications.
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NSK 7312 BT DBD+2KL10AC3 Triplex Angular Contact Ball Bearing
A high-precision triplex angular contact ball bearing manufactured by NSK, designed for applications requiring high axial load capacity, excellent rigidity, and precise rotational accuracy. This bearing set is supplied as a factory-matched triplex arrangement with back-to-back configuration, ensuring superior load distribution and stable performance in demanding industrial and machine tool applications.
Manufacturer: NSK
Type: Triplex Angular Contact Ball Bearing
Model: 7312 BT DBD+2KL10AC3
Basic Load Ratings
Speed Ratings
Design and Construction
Suffix Information
| Bore Diameter (d) | 60 mm |
| Outer Diameter (D) | 130 mm |
| Width (B) | 31 mm |
| Contact Angle | 40 degrees |
| Dynamic Load Rating (Cr) | 174000 N |
| Static Load Rating (C0r) | 137000 N |
| Oil Limiting Speed | 3800 rpm |
| Grease Limiting Speed | 2600 rpm |
| Cage | Polyamide Resin Cage |
| Matched Arrangement | Triplex matched set arranged in a Back-to-Back (DBD) configuration, 3-row matched set, load on 2 bearings |
| Universal Matching Bearing | Yes |
| Axial Internal Clearance | C3 |
| Precision Class | ISO Class 0 Precision |
| 2K | Indicates a paired set of two bearings |
| L | Refers to a light preload setting, which enhances stiffness while still allowing for high-speed operation |
