Timken 6308-2RS Bearing — Specifications, Dimensions & Cross-Reference

The Timken 6308-2RS is a deep groove ball bearing double rubber sealed manufactured by Timken. It belongs to the 6300 series and features dimensions of 40 × 90 × 23 mm (bore × OD × width). This bearing has a dynamic load rating of 41,000 N and a static load rating of 24,000 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)90 mm
Width (B)23 mm
Weight0.693 kg
Performance
Dynamic Load Rating (Cr)41,000 N
Static Load Rating (C₀r)24,000 N
Limiting Speed (Grease)7,500 rpm
Limiting Speed (Oil)9,000 rpm
💡 Application Note: The 6300 series bearings are commonly used in heavy-duty electric motors, mining equipment, construction machinery, and industrial gearboxes. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 6308-2RS Equivalents

The following bearings from other manufacturers are interchangeable with the Timken 6308-2RS. All share identical dimensions (40×90×23mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
TimkenTimken 6308-2RS ✦41,00024,000
SKF SKF 6308-2RS 41,000 24,000
NTN NTN 6308-2RS 41,000 24,000
NACHI NACHI 6308-2RS 41,000 24,000
KOYO KOYO 6308-2RS 41,000 24,000
FAG FAG 6308-2RS 41,000 24,000
Timken Timken 6308-2RS 41,000 24,000
NTN NTN 6308-2RS 41,000 24,000
NSK NSK 6308-2RS 41,000 24,000
SKF SKF 6308-2RS 41,000 24,000

Available Variants

The Timken 6308 base bearing is available in these configurations:

Timken 6308-ZZ-C3
"Double shielded
Timken 6308-ZZ
Double metal shielded
Timken 6308-NR
Open with snap ring
Timken 6308-2Z
Double metal shielded (ISO)
Timken 6308-2RS-C3
"Double sealed
Timken 6308
Open (no seal/shield)
Timken 6308-NR
Open with snap ring
Timken 6308-ZZ-C3
Double shielded, C3 clearance
Timken 6308-2RS-C3
Double sealed, C3 clearance
Timken 6308-C3
Open, C3 clearance
Timken 6308-2Z
Double metal shielded (ISO)
Timken 6308-ZZ
Double metal shielded
Timken 6308-2RS
Double rubber sealed
Timken 6308
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the Timken 6308-2RS?

The Timken 6308-2RS has a bore diameter of 40mm, outside diameter of 90mm, and width of 23mm. It weighs 0.693kg.

What is the load capacity of the Timken 6308-2RS?

The dynamic load rating (Cr) is 41,000 N and the static load rating (C₀r) is 24,000 N. The maximum recommended speed is 7,500 rpm with grease lubrication or 9,000 rpm with oil lubrication.

What bearings are equivalent to Timken 6308-2RS?

The 6308-2RS is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×90×23mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.