SKF 6313-ZZ Bearing — Specifications, Dimensions & Cross-Reference
The SKF 6313-ZZ is a deep groove ball bearing double metal shielded manufactured by SKF. 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-ZZ Equivalents
The following bearings from other manufacturers are interchangeable with the SKF 6313-ZZ. All share identical dimensions (65×140×33mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| SKF | SKF 6313-ZZ ✦ | 92,300 | 60,000 |
| Timken | Timken 6313-ZZ | 92,300 | 60,000 |
| SKF | SKF 6313-ZZ | 92,300 | 60,000 |
| NTN | NTN 6313-ZZ | 92,300 | 60,000 |
| NACHI | NACHI 6313-ZZ | 92,300 | 60,000 |
| KOYO | KOYO 6313-ZZ | 92,300 | 60,000 |
| FAG | FAG 6313-ZZ | 92,300 | 60,000 |
| Timken | Timken 6313-ZZ | 92,300 | 60,000 |
| NSK | NSK 6313-ZZ | 92,300 | 60,000 |
| NTN | NTN 6313-ZZ | 92,300 | 60,000 |
Available Variants
The SKF 6313 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the SKF 6313-ZZ?
The SKF 6313-ZZ 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 SKF 6313-ZZ?
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 SKF 6313-ZZ?
The 6313-ZZ 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.