NACHI 6313 Bearing — Specifications, Dimensions & Cross-Reference
The NACHI 6313 is a deep groove ball bearing manufactured by NACHI. It belongs to the 6300 series and features dimensions of 65 × 140 × 33 mm (bore × OD × width). This bearing has a dynamic load rating of 92,300 N and a static load rating of 60,000 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 65 mm |
| Outside Diameter (D) | 140 mm |
| Width (B) | 33 mm |
| Weight | 2.020 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 92,300 N |
| Static Load Rating (C₀r) | 60,000 N |
| Limiting Speed (Grease) | 4,800 rpm |
| Limiting Speed (Oil) | 5,600 rpm |
Brand Cross-Reference — 6313 Equivalents
The following bearings from other manufacturers are interchangeable with the NACHI 6313. All share identical dimensions (65×140×33mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NACHI | NACHI 6313 ✦ | 92,300 | 60,000 |
| Timken | Timken 6313 | 92,300 | 60,000 |
| SKF | SKF 6313 | 92,300 | 60,000 |
| NTN | NTN 6313 | 92,300 | 60,000 |
| KOYO | KOYO 6313 | 92,300 | 60,000 |
| FAG | FAG 6313 | 92,300 | 60,000 |
| Timken | Timken 6313 | 92,300 | 60,000 |
| NSK | NSK 6313 | 92,300 | 60,000 |
| NTN | NTN 6313 | 92,300 | 60,000 |
| SKF | SKF 6313 | 92,300 | 60,000 |
Available Variants
The NACHI 6313 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NACHI 6313?
The NACHI 6313 has a bore diameter of 65mm, outside diameter of 140mm, and width of 33mm. It weighs 2.020kg.
What is the load capacity of the NACHI 6313?
The dynamic load rating (Cr) is 92,300 N and the static load rating (C₀r) is 60,000 N. The maximum recommended speed is 4,800 rpm with grease lubrication or 5,600 rpm with oil lubrication.
What bearings are equivalent to NACHI 6313?
The 6313 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 65×140×33mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.