FAG 6905-2RS Bearing — Specifications, Dimensions & Cross-Reference

The FAG 6905-2RS is a deep groove ball bearing double rubber sealed manufactured by FAG. It belongs to the 6900 series and features dimensions of 25 × 42 × 9 mm (bore × OD × width). This bearing has a dynamic load rating of 5,850 N and a static load rating of 3,550 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)25 mm
Outside Diameter (D)42 mm
Width (B)9 mm
Weight0.033 kg
Performance
Dynamic Load Rating (Cr)5,850 N
Static Load Rating (C₀r)3,550 N
Limiting Speed (Grease)15,000 rpm
Limiting Speed (Oil)21,000 rpm
💡 Application Note: The 6900 series bearings are commonly used in office equipment, small electric motors, and light industrial applications. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 6905-2RS Equivalents

The following bearings from other manufacturers are interchangeable with the FAG 6905-2RS. All share identical dimensions (25×42×9mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
FAGFAG 6905-2RS ✦5,8503,550
NTN NTN 6905-2RS 5,850 3,550
KOYO KOYO 6905-2RS 5,850 3,550
NACHI NACHI 6905-2RS 5,850 3,550
Timken Timken 6905-2RS 5,850 3,550
NSK NSK 6905-2RS 5,850 3,550
NTN NTN 6905-2RS 5,850 3,550
SKF SKF 6905-2RS 5,850 3,550

Available Variants

The FAG 6905 base bearing is available in these configurations:

FAG 6905-ZZ-C3
"Double shielded
FAG 6905-ZZ
Double metal shielded
FAG 6905-NR
Open with snap ring
FAG 6905-C3
"Open
FAG 6905-2Z
Double metal shielded (ISO)
FAG 6905-2RS-C3
"Double sealed
FAG 6905
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the FAG 6905-2RS?

The FAG 6905-2RS has a bore diameter of 25mm, outside diameter of 42mm, and width of 9mm. It weighs 0.033kg.

What is the load capacity of the FAG 6905-2RS?

The dynamic load rating (Cr) is 5,850 N and the static load rating (C₀r) is 3,550 N. The maximum recommended speed is 15,000 rpm with grease lubrication or 21,000 rpm with oil lubrication.

What bearings are equivalent to FAG 6905-2RS?

The 6905-2RS is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 25×42×9mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.