Timken 6308 Bearing — Specifications, Dimensions & Cross-Reference

The Timken 6308 is a deep groove ball bearing 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.

Brand Cross-Reference — 6308 Equivalents

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

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

Frequently Asked Questions

What are the dimensions of the Timken 6308?

The Timken 6308 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?

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?

The 6308 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.