SKF 6408-2RS Bearing — Specifications, Dimensions & Cross-Reference

The SKF 6408-2RS is a deep groove ball bearing double rubber sealed manufactured by SKF. It belongs to the 6400 series and features dimensions of 40 × 110 × 27 mm (bore × OD × width). This bearing has a dynamic load rating of 63,700 N and a static load rating of 34,000 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)110 mm
Width (B)27 mm
Weight1.15 kg
Performance
Dynamic Load Rating (Cr)63,700 N
Static Load Rating (C₀r)34,000 N
Limiting Speed (Grease)6,300 rpm
Limiting Speed (Oil)8,000 rpm
💡 Application Note: The 6400 series bearings are commonly used in heavy machinery, large industrial gearboxes, and high-load conveyor systems. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 6408-2RS Equivalents

The following bearings from other manufacturers are interchangeable with the SKF 6408-2RS. All share identical dimensions (40×110×27mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
SKFSKF 6408-2RS ✦63,70034,000
Timken Timken 6408-2RS 63,700 34,000
SKF SKF 6408-2RS 63,700 34,000
NTN NTN 6408-2RS 63,700 34,000
NACHI NACHI 6408-2RS 63,700 34,000
KOYO KOYO 6408-2RS 63,700 34,000
FAG FAG 6408-2RS 63,700 34,000
Timken Timken 6408-2RS 63,700 34,000
NSK NSK 6408-2RS 63,700 34,000
NTN NTN 6408-2RS 63,700 34,000

Available Variants

The SKF 6408 base bearing is available in these configurations:

SKF 6408-ZZ-C3
"Double shielded
SKF 6408-ZZ
Double metal shielded
SKF 6408-NR
Open with snap ring
SKF 6408-C3
"Open
SKF 6408-2Z
Double metal shielded (ISO)
SKF 6408-2RS-C3
"Double sealed
SKF 6408-2RS
Double rubber sealed
SKF 6408
Open (no seal/shield)
SKF 6408-NR
Open with snap ring
SKF 6408-ZZ-C3
Double shielded, C3 clearance
SKF 6408-2RS-C3
Double sealed, C3 clearance
SKF 6408-C3
Open, C3 clearance
SKF 6408-2Z
Double metal shielded (ISO)
SKF 6408-ZZ
Double metal shielded
SKF 6408
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the SKF 6408-2RS?

The SKF 6408-2RS has a bore diameter of 40mm, outside diameter of 110mm, and width of 27mm. It weighs 1.15kg.

What is the load capacity of the SKF 6408-2RS?

The dynamic load rating (Cr) is 63,700 N and the static load rating (C₀r) is 34,000 N. The maximum recommended speed is 6,300 rpm with grease lubrication or 8,000 rpm with oil lubrication.

What bearings are equivalent to SKF 6408-2RS?

The 6408-2RS is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×110×27mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.