NTN 6322 Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6322 is a deep groove ball bearing manufactured by NTN. It belongs to the 6300 series and features dimensions of 110 × 240 × 50 mm (bore × OD × width). This bearing has a dynamic load rating of 203,000 N and a static load rating of 180,000 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 110 mm |
| Outside Diameter (D) | 240 mm |
| Width (B) | 50 mm |
| Weight | 8.500 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 203,000 N |
| Static Load Rating (C₀r) | 180,000 N |
| Limiting Speed (Grease) | 2,600 rpm |
| Limiting Speed (Oil) | 3,200 rpm |
Brand Cross-Reference — 6322 Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6322. All share identical dimensions (110×240×50mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6322 ✦ | 203,000 | 180,000 |
| Timken | Timken 6322 | 203,000 | 180,000 |
| SKF | SKF 6322 | 203,000 | 180,000 |
| NTN | NTN 6322 | 203,000 | 180,000 |
| NACHI | NACHI 6322 | 203,000 | 180,000 |
| KOYO | KOYO 6322 | 203,000 | 180,000 |
| FAG | FAG 6322 | 203,000 | 180,000 |
| Timken | Timken 6322 | 203,000 | 180,000 |
| NSK | NSK 6322 | 203,000 | 180,000 |
| SKF | SKF 6322 | 203,000 | 180,000 |
Available Variants
The NTN 6322 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6322?
The NTN 6322 has a bore diameter of 110mm, outside diameter of 240mm, and width of 50mm. It weighs 8.500kg.
What is the load capacity of the NTN 6322?
The dynamic load rating (Cr) is 203,000 N and the static load rating (C₀r) is 180,000 N. The maximum recommended speed is 2,600 rpm with grease lubrication or 3,200 rpm with oil lubrication.
What bearings are equivalent to NTN 6322?
The 6322 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 110×240×50mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.