SKF 51108 Bearing — Specifications, Dimensions & Cross-Reference

The SKF 51108 is a thrust ball bearing manufactured by SKF. It belongs to the 51100 series and features dimensions of 40 × 60 × 13 mm (bore × OD × width). This bearing has a dynamic load rating of 26,700 N and a static load rating of 24,500 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)60 mm
Width (B)13 mm
Weight0.110 kg
Performance
Dynamic Load Rating (Cr)26,700 N
Static Load Rating (C₀r)24,500 N
Limiting Speed (Grease)4,500 rpm
Limiting Speed (Oil)6,000 rpm
💡 Application Note: The 51100 series bearings are commonly used in automotive steering mechanisms, machine tool tables, and applications with pure axial loads.

Brand Cross-Reference — 51108 Equivalents

The following bearings from other manufacturers are interchangeable with the SKF 51108. All share identical dimensions (40×60×13mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
SKFSKF 51108 ✦26,70024,500
NTN NTN 51108 26,700 24,500
NACHI NACHI 51108 26,700 24,500
KOYO KOYO 51108 26,700 24,500
Timken Timken 51108 26,700 24,500
NSK NSK 51108 26,700 24,500
FAG FAG 51108 26,700 24,500
NTN NTN 51108 26,700 24,500
SKF SKF 51108 26,700 24,500

Available Variants

The SKF 51108 base bearing is available in these configurations:

SKF 51108-ZZ-C3
"Double shielded
SKF 51108-ZZ
Double metal shielded
SKF 51108-NR
Open with snap ring
SKF 51108-C3
"Open
SKF 51108-2Z
Double metal shielded (ISO)
SKF 51108-2RS-C3
"Double sealed
SKF 51108-2RS
Double rubber sealed
SKF 51108-NR
Open with snap ring
SKF 51108-ZZ-C3
Double shielded, C3 clearance
SKF 51108-2RS-C3
Double sealed, C3 clearance
SKF 51108-C3
Open, C3 clearance
SKF 51108-2Z
Double metal shielded (ISO)
SKF 51108-ZZ
Double metal shielded
SKF 51108-2RS
Double rubber sealed
SKF 51108
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the SKF 51108?

The SKF 51108 has a bore diameter of 40mm, outside diameter of 60mm, and width of 13mm. It weighs 0.110kg.

What is the load capacity of the SKF 51108?

The dynamic load rating (Cr) is 26,700 N and the static load rating (C₀r) is 24,500 N. The maximum recommended speed is 4,500 rpm with grease lubrication or 6,000 rpm with oil lubrication.

What bearings are equivalent to SKF 51108?

The 51108 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×60×13mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.