NSK 6815 Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6815 is a deep groove ball bearing manufactured by NSK. It belongs to the 6800 series and features dimensions of 75 × 95 × 10 mm (bore × OD × width). This bearing has a dynamic load rating of 6,680 N and a static load rating of 6,200 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)75 mm
Outside Diameter (D)95 mm
Width (B)10 mm
Weight0.098 kg
Performance
Dynamic Load Rating (Cr)6,680 N
Static Load Rating (C₀r)6,200 N
Limiting Speed (Grease)6,700 rpm
Limiting Speed (Oil)9,000 rpm
💡 Application Note: The 6800 series bearings are commonly used in precision instruments, medical devices, dental handpieces, and miniature mechanisms.

Brand Cross-Reference — 6815 Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6815. All share identical dimensions (75×95×10mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NSKNSK 6815 ✦6,6806,200
Timken Timken 6815 6,680 6,200
SKF SKF 6815 6,680 6,200
NTN NTN 6815 6,680 6,200
NACHI NACHI 6815 6,680 6,200
KOYO KOYO 6815 6,680 6,200
FAG FAG 6815 6,680 6,200
Timken Timken 6815 6,680 6,200
NTN NTN 6815 6,680 6,200
SKF SKF 6815 6,680 6,200

Available Variants

The NSK 6815 base bearing is available in these configurations:

NSK 6815-NR
Open with snap ring
NSK 6815-ZZ-C3
Double shielded, C3 clearance
NSK 6815-2RS-C3
Double sealed, C3 clearance
NSK 6815-C3
Open, C3 clearance
NSK 6815-2Z
Double metal shielded (ISO)
NSK 6815-ZZ
Double metal shielded
NSK 6815-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the NSK 6815?

The NSK 6815 has a bore diameter of 75mm, outside diameter of 95mm, and width of 10mm. It weighs 0.098kg.

What is the load capacity of the NSK 6815?

The dynamic load rating (Cr) is 6,680 N and the static load rating (C₀r) is 6,200 N. The maximum recommended speed is 6,700 rpm with grease lubrication or 9,000 rpm with oil lubrication.

What bearings are equivalent to NSK 6815?

The 6815 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 75×95×10mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.