NSK 6915 Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6915 is a deep groove ball bearing manufactured by NSK. It belongs to the 6900 series and features dimensions of 75 × 105 × 16 mm (bore × OD × width). This bearing has a dynamic load rating of 21,600 N and a static load rating of 18,600 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)75 mm
Outside Diameter (D)105 mm
Width (B)16 mm
Weight0.240 kg
Performance
Dynamic Load Rating (Cr)21,600 N
Static Load Rating (C₀r)18,600 N
Limiting Speed (Grease)6,000 rpm
Limiting Speed (Oil)8,000 rpm
💡 Application Note: The 6900 series bearings are commonly used in office equipment, small electric motors, and light industrial applications.

Brand Cross-Reference — 6915 Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6915. All share identical dimensions (75×105×16mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NSKNSK 6915 ✦21,60018,600
Timken Timken 6915 21,600 18,600
SKF SKF 6915 21,600 18,600
NTN NTN 6915 21,600 18,600
KOYO KOYO 6915 21,600 18,600
FAG FAG 6915 21,600 18,600
NACHI NACHI 6915 21,600 18,600
Timken Timken 6915 21,600 18,600
NTN NTN 6915 21,600 18,600
SKF SKF 6915 21,600 18,600

Available Variants

The NSK 6915 base bearing is available in these configurations:

NSK 6915-NR
Open with snap ring
NSK 6915-ZZ-C3
Double shielded, C3 clearance
NSK 6915-2RS-C3
Double sealed, C3 clearance
NSK 6915-C3
Open, C3 clearance
NSK 6915-2Z
Double metal shielded (ISO)
NSK 6915-ZZ
Double metal shielded
NSK 6915-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the NSK 6915?

The NSK 6915 has a bore diameter of 75mm, outside diameter of 105mm, and width of 16mm. It weighs 0.240kg.

What is the load capacity of the NSK 6915?

The dynamic load rating (Cr) is 21,600 N and the static load rating (C₀r) is 18,600 N. The maximum recommended speed is 6,000 rpm with grease lubrication or 8,000 rpm with oil lubrication.

What bearings are equivalent to NSK 6915?

The 6915 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 75×105×16mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.