SKF 51100 Bearing — Specifications, Dimensions & Cross-Reference

The SKF 51100 is a thrust ball bearing manufactured by SKF. It belongs to the 51100 series and features dimensions of 10 × 24 × 9 mm (bore × OD × width). This bearing has a dynamic load rating of 8,710 N and a static load rating of 5,530 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)10 mm
Outside Diameter (D)24 mm
Width (B)9 mm
Weight0.020 kg
Performance
Dynamic Load Rating (Cr)8,710 N
Static Load Rating (C₀r)5,530 N
Limiting Speed (Grease)11,000 rpm
Limiting Speed (Oil)14,000 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 — 51100 Equivalents

The following bearings from other manufacturers are interchangeable with the SKF 51100. All share identical dimensions (10×24×9mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
SKFSKF 51100 ✦8,7105,530
Timken Timken 51100 8,710 5,530
NACHI NACHI 51100 8,710 5,530
KOYO KOYO 51100 8,710 5,530
Timken Timken 51100 8,710 5,530
FAG FAG 51100 8,710 5,530
NSK NSK 51100 8,710 5,530
NTN NTN 51100 8,710 5,530
SKF SKF 51100 8,710 5,530

Available Variants

The SKF 51100 base bearing is available in these configurations:

SKF 51100-ZZ-C3
"Double shielded
SKF 51100-ZZ
Double metal shielded
SKF 51100-NR
Open with snap ring
SKF 51100-C3
"Open
SKF 51100-2Z
Double metal shielded (ISO)
SKF 51100-2RS-C3
"Double sealed
SKF 51100-2RS
Double rubber sealed
SKF 51100-NR
Open with snap ring
SKF 51100-ZZ-C3
Double shielded, C3 clearance
SKF 51100-2RS-C3
Double sealed, C3 clearance
SKF 51100-C3
Open, C3 clearance
SKF 51100-2Z
Double metal shielded (ISO)
SKF 51100-ZZ
Double metal shielded
SKF 51100-2RS
Double rubber sealed
SKF 51100
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the SKF 51100?

The SKF 51100 has a bore diameter of 10mm, outside diameter of 24mm, and width of 9mm. It weighs 0.020kg.

What is the load capacity of the SKF 51100?

The dynamic load rating (Cr) is 8,710 N and the static load rating (C₀r) is 5,530 N. The maximum recommended speed is 11,000 rpm with grease lubrication or 14,000 rpm with oil lubrication.

What bearings are equivalent to SKF 51100?

The 51100 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 10×24×9mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.