SKF 6403 Bearing — Specifications, Dimensions & Cross-Reference

The SKF 6403 is a deep groove ball bearing manufactured by SKF. It belongs to the 6400 series and features dimensions of 17 × 62 × 17 mm (bore × OD × width). This bearing has a dynamic load rating of 22,700 N and a static load rating of 10,800 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)17 mm
Outside Diameter (D)62 mm
Width (B)17 mm
Weight0.268 kg
Performance
Dynamic Load Rating (Cr)22,700 N
Static Load Rating (C₀r)10,800 N
Limiting Speed (Grease)11,000 rpm
Limiting Speed (Oil)15,000 rpm
💡 Application Note: The 6400 series bearings are commonly used in heavy machinery, large industrial gearboxes, and high-load conveyor systems.

Brand Cross-Reference — 6403 Equivalents

The following bearings from other manufacturers are interchangeable with the SKF 6403. All share identical dimensions (17×62×17mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
SKFSKF 6403 ✦22,70010,800
Timken Timken 6403 22,700 10,800
SKF SKF 6403 22,700 10,800
NTN NTN 6403 22,700 10,800
NACHI NACHI 6403 22,700 10,800
KOYO KOYO 6403 22,700 10,800
FAG FAG 6403 22,700 10,800
Timken Timken 6403 22,700 10,800
NSK NSK 6403 22,700 10,800
NTN NTN 6403 22,700 10,800

Available Variants

The SKF 6403 base bearing is available in these configurations:

SKF 6403-ZZ-C3
"Double shielded
SKF 6403-ZZ
Double metal shielded
SKF 6403-NR
Open with snap ring
SKF 6403-C3
"Open
SKF 6403-2Z
Double metal shielded (ISO)
SKF 6403-2RS-C3
"Double sealed
SKF 6403-2RS
Double rubber sealed
SKF 6403
Open (no seal/shield)
SKF 6403-NR
Open with snap ring
SKF 6403-ZZ-C3
Double shielded, C3 clearance
SKF 6403-2RS-C3
Double sealed, C3 clearance
SKF 6403-C3
Open, C3 clearance
SKF 6403-2Z
Double metal shielded (ISO)
SKF 6403-ZZ
Double metal shielded
SKF 6403-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the SKF 6403?

The SKF 6403 has a bore diameter of 17mm, outside diameter of 62mm, and width of 17mm. It weighs 0.268kg.

What is the load capacity of the SKF 6403?

The dynamic load rating (Cr) is 22,700 N and the static load rating (C₀r) is 10,800 N. The maximum recommended speed is 11,000 rpm with grease lubrication or 15,000 rpm with oil lubrication.

What bearings are equivalent to SKF 6403?

The 6403 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 17×62×17mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.