NTN 6812-2Z Bearing — Specifications, Dimensions & Cross-Reference
The NTN 6812-2Z is a deep groove ball bearing double metal shielded manufactured by NTN. It belongs to the 6800 series and features dimensions of 60 × 78 × 10 mm (bore × OD × width). This bearing has a dynamic load rating of 6,240 N and a static load rating of 5,300 N, making it suitable for light-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 60 mm |
| Outside Diameter (D) | 78 mm |
| Width (B) | 10 mm |
| Weight | 0.073 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 6,240 N |
| Static Load Rating (C₀r) | 5,300 N |
| Limiting Speed (Grease) | 8,500 rpm |
| Limiting Speed (Oil) | 11,000 rpm |
Brand Cross-Reference — 6812-2Z Equivalents
The following bearings from other manufacturers are interchangeable with the NTN 6812-2Z. All share identical dimensions (60×78×10mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NTN | NTN 6812-2Z ✦ | 6,240 | 5,300 |
| Timken | Timken 6812-2Z | 6,240 | 5,300 |
| SKF | SKF 6812-2Z | 6,240 | 5,300 |
| NTN | NTN 6812-2Z | 6,240 | 5,300 |
| NACHI | NACHI 6812-2Z | 6,240 | 5,300 |
| KOYO | KOYO 6812-2Z | 6,240 | 5,300 |
| FAG | FAG 6812-2Z | 6,240 | 5,300 |
| Timken | Timken 6812-2Z | 6,240 | 5,300 |
| NSK | NSK 6812-2Z | 6,240 | 5,300 |
| SKF | SKF 6812-2Z | 6,240 | 5,300 |
Available Variants
The NTN 6812 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NTN 6812-2Z?
The NTN 6812-2Z has a bore diameter of 60mm, outside diameter of 78mm, and width of 10mm. It weighs 0.073kg.
What is the load capacity of the NTN 6812-2Z?
The dynamic load rating (Cr) is 6,240 N and the static load rating (C₀r) is 5,300 N. The maximum recommended speed is 8,500 rpm with grease lubrication or 11,000 rpm with oil lubrication.
What bearings are equivalent to NTN 6812-2Z?
The 6812-2Z is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 60×78×10mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.