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Single-row Deep Groove Ball Bearing – 6312-LLUC3/2AS
NTN 6312-LLUC3/2AS Deep Groove Ball Bearing – Heavy-duty, double-sealed bearing with 60mm bore and C3 clearance for high-speed, low-friction performance in motors, gearboxes, and industrial machinery.
Original price was: $38.84.$36.81Current price is: $36.81.
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Description
The NTN 6312-LLUC3/2AS is a premium-grade single-row deep groove ball bearing engineered 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 robust, low-maintenance components.
This bearing features LLU double-sided contact seals made from nitrile rubber, offering superior protection against dust, moisture, and contaminants. The 2AS suffix indicates enhanced sealing and lubricant retention, while the C3 radial clearance allows for thermal expansion and higher speed tolerance.
Manufactured from high-carbon chrome steel and fitted with a pressed steel cage, the NTN 6312-LLUC3/2AS meets ISO Class 0 / ABEC 1 precision standards and operates reliably at speeds up to 3600 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-LLUC3/2AS |
| 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 | LLU (double-sided contact) |
| Seal Material | Nitrile rubber |
| Radial Clearance | C3 (greater than normal) |
| Precision Class | ISO Class 0 / ABEC 1 |
| Limiting Speed (Grease) | 3600 RPM |
| Static Load Rating | 52.00 kN / 11,700 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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