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Single Row Deep Groove Ball Bearing – 6312 2Z/2AS
NTN 6312-2Z/2AS Deep Groove Ball Bearing – Double-shielded, high-capacity bearing with 60mm bore and enhanced sealing for smooth, high-speed performance in motors, gearboxes, and heavy-duty machinery.
Original price was: $34.43.$32.63Current price is: $32.63.
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Description
The NTN 6312-2Z/2AS is a rugged single-row deep groove ball bearing designed for high-load, high-speed industrial applications. With a 60mm bore, 130mm outer diameter, and 31mm width, it’s ideal for electric motors, pumps, conveyors, and gearboxes requiring reliable, low-maintenance components.
This bearing features 2Z (ZZ) double-sided metal shields, offering effective protection against dust and debris while maintaining low-friction operation. The 2AS suffix indicates enhanced sealing and lubrication retention, making it suitable for demanding environments. Its CN radial internal clearance ensures optimal balance between precision and flexibility.
Made from high-carbon chrome steel and fitted with a pressed steel cage, the NTN 6312-2Z/2AS meets ISO Class 0 / ABEC 1 precision standards and operates smoothly at speeds up to 5400 RPM (grease). With a dynamic load rating of 90.5 kN, it delivers consistent performance across a temperature range of -40°C to +120°C.
Specifications
| Specification | Details |
|---|---|
| Brand | NTN |
| Model | 6312-2Z/2AS |
| Bearing Type | Deep groove ball bearing |
| Configuration | Single row |
| Inner Diameter | 60 mm |
| Outer Diameter | 130 mm |
| Width | 31 mm |
| Weight | 1.710 kg |
| Material | High carbon chrome steel |
| Ball Material | Steel |
| Cage Type | Pressed |
| Cage Material | Steel |
| Seal Type | 2Z (double-sided metal shields) |
| Radial Clearance | CN (normal) |
| Precision Class | ISO Class 0 / ABEC 1 |
| Limiting Speed (Grease) | 5400 RPM |
| Static Load Rating | 77.00 kN / 17,300 lbf |
| Dynamic Load Rating | 90.50 kN / 20,340 lbf |
| Operating Temperature Range | -40°C to +120°C / -40°F to +250°F |
Additional information
| Weight | 1.71 kg |
|---|---|
| Dimensions | 130 × 31 mm |
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