NSK 6009-C3 Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6009-C3 is a deep groove ball bearing with C3 clearance manufactured by NSK. It belongs to the 6000 series and features dimensions of 45 × 75 × 16 mm (bore × OD × width). This bearing has a dynamic load rating of 16,220 N and a static load rating of 11,960 N, making it suitable for medium-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	45 mm
Outside Diameter (D)	75 mm
Width (B)	16 mm
Weight	0.227 kg

Performance
Dynamic Load Rating (Cr)	16,220 N
Static Load Rating (C₀r)	11,960 N
Limiting Speed (Grease)	9,200 rpm
Limiting Speed (Oil)	11,000 rpm

💡 Application Note: The 6000 series bearings are commonly used in electric motors, power tools, small pumps, and household appliances. The -C3 suffix indicates greater-than-normal radial internal clearance, recommended for applications with temperature differentials or tight shaft/housing fits.

Brand Cross-Reference — 6009-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6009-C3. All share identical dimensions (45×75×16mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 6009-C3 ✦	16,220	11,960
NACHI	NACHI 6009-C3	16,220	11,960
KOYO	KOYO 6009-C3	16,220	11,960
Timken	Timken 6009-C3	16,220	11,960
FAG	FAG 6009-C3	16,220	11,960
NTN	NTN 6009-C3	16,220	11,960
SKF	SKF 6009-C3	16,220	11,960

Available Variants

The NSK 6009 base bearing is available in these configurations:

NSK 6009-NR

Open with snap ring

NSK 6009-ZZ-C3

Double shielded, C3 clearance

NSK 6009-2RS-C3

Double sealed, C3 clearance

NSK 6009-2Z

Double metal shielded (ISO)

NSK 6009-ZZ

Double metal shielded

NSK 6009-2RS

Double rubber sealed

NSK 6009

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 6009-C3?

The NSK 6009-C3 has a bore diameter of 45mm, outside diameter of 75mm, and width of 16mm. It weighs 0.227kg.

What is the load capacity of the NSK 6009-C3?

The dynamic load rating (Cr) is 16,220 N and the static load rating (C₀r) is 11,960 N. The maximum recommended speed is 9,200 rpm with grease lubrication or 11,000 rpm with oil lubrication.

What bearings are equivalent to NSK 6009-C3?

The 6009-C3 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 45×75×16mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.