NTN 6320 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6320 is a deep groove ball bearing manufactured by NTN. It belongs to the 6300 series and features dimensions of 100 × 215 × 47 mm (bore × OD × width). This bearing has a dynamic load rating of 174,000 N and a static load rating of 140,000 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 100 mm |
| Outside Diameter (D) | 215 mm |
| Width (B) | 47 mm |
| Weight | 6.350 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 174,000 N |
| Static Load Rating (C₀r) | 140,000 N |
| Limiting Speed (Grease) | 3,000 rpm |
| Limiting Speed (Oil) | 3,600 rpm |
Brand Cross-Reference — 6320 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6320. All share identical dimensions (100×215×47mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6320 ✦ | 174,000 | 140,000 |
| Timken | Timken 6320 | 174,000 | 140,000 |
| SKF | SKF 6320 | 174,000 | 140,000 |
| NACHI | NACHI 6320 | 174,000 | 140,000 |
| KOYO | KOYO 6320 | 174,000 | 140,000 |
| FAG | FAG 6320 | 174,000 | 140,000 |
| Timken | Timken 6320 | 174,000 | 140,000 |
| NSK | NSK 6320 | 174,000 | 140,000 |
| NTN | NTN 6320 | 174,000 | 140,000 |
| SKF | SKF 6320 | 174,000 | 140,000 |
Available Variants
The NTN 6320 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6320?
The NTN 6320 has a bore diameter of 100mm, outside diameter of 215mm, and width of 47mm. It weighs 6.350kg.
What is the load capacity of the NTN 6320?
The dynamic load rating (Cr) is 174,000 N and the static load rating (C₀r) is 140,000 N. The maximum recommended speed is 3,000 rpm with grease lubrication or 3,600 rpm with oil lubrication.
What bearings are equivalent to NTN 6320?
The 6320 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 100×215×47mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.