Timken 6905-ZZ-C3 Bearing — Specifications, Dimensions & Cross-Reference

The Timken 6905-ZZ-C3 is a deep groove ball bearing double metal shielded manufactured by Timken. 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
Weight	0.033 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 -ZZ suffix indicates double metal shields, offering good protection while maintaining lower friction than rubber seals — suitable for higher speed applications.

Brand Cross-Reference — 6905-ZZ-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the Timken 6905-ZZ-C3. All share identical dimensions (25×42×9mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
Timken	Timken 6905-ZZ-C3 ✦	5,850	3,550
NTN	NTN 6905-ZZ-C3	5,850	3,550
KOYO	KOYO 6905-ZZ-C3	5,850	3,550
FAG	FAG 6905-ZZ-C3	5,850	3,550
NACHI	NACHI 6905-ZZ-C3	5,850	3,550
NSK	NSK 6905-ZZ-C3	5,850	3,550
NTN	NTN 6905-ZZ-C3	5,850	3,550
SKF	SKF 6905-ZZ-C3	5,850	3,550

Available Variants

The Timken 6905 base bearing is available in these configurations:

Timken 6905-NR

Open with snap ring

Timken 6905-2RS-C3

Double sealed, C3 clearance

Timken 6905-C3

Open, C3 clearance

Timken 6905-2Z

Double metal shielded (ISO)

Timken 6905-ZZ

Double metal shielded

Timken 6905-2RS

Double rubber sealed

Timken 6905

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the Timken 6905-ZZ-C3?

The Timken 6905-ZZ-C3 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 Timken 6905-ZZ-C3?

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 Timken 6905-ZZ-C3?

The 6905-ZZ-C3 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.