NSK 6814 Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6814 is a deep groove ball bearing manufactured by NSK. It belongs to the 6800 series and features dimensions of 70 × 90 × 10 mm (bore × OD × width). This bearing has a dynamic load rating of 6,630 N and a static load rating of 6,100 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)70 mm
Outside Diameter (D)90 mm
Width (B)10 mm
Weight0.093 kg
Performance
Dynamic Load Rating (Cr)6,630 N
Static Load Rating (C₀r)6,100 N
Limiting Speed (Grease)7,000 rpm
Limiting Speed (Oil)9,500 rpm
💡 Application Note: The 6800 series bearings are commonly used in precision instruments, medical devices, dental handpieces, and miniature mechanisms.

Brand Cross-Reference — 6814 Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6814. All share identical dimensions (70×90×10mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NSKNSK 6814 ✦6,6306,100
Timken Timken 6814 6,630 6,100
SKF SKF 6814 6,630 6,100
NTN NTN 6814 6,630 6,100
NACHI NACHI 6814 6,630 6,100
KOYO KOYO 6814 6,630 6,100
FAG FAG 6814 6,630 6,100
Timken Timken 6814 6,630 6,100
NTN NTN 6814 6,630 6,100
SKF SKF 6814 6,630 6,100

Available Variants

The NSK 6814 base bearing is available in these configurations:

NSK 6814-NR
Open with snap ring
NSK 6814-ZZ-C3
Double shielded, C3 clearance
NSK 6814-2RS-C3
Double sealed, C3 clearance
NSK 6814-C3
Open, C3 clearance
NSK 6814-2Z
Double metal shielded (ISO)
NSK 6814-ZZ
Double metal shielded
NSK 6814-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the NSK 6814?

The NSK 6814 has a bore diameter of 70mm, outside diameter of 90mm, and width of 10mm. It weighs 0.093kg.

What is the load capacity of the NSK 6814?

The dynamic load rating (Cr) is 6,630 N and the static load rating (C₀r) is 6,100 N. The maximum recommended speed is 7,000 rpm with grease lubrication or 9,500 rpm with oil lubrication.

What bearings are equivalent to NSK 6814?

The 6814 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 70×90×10mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.