NSK 6003-2Z Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6003-2Z is a deep groove ball bearing double metal shielded manufactured by NSK. It belongs to the 6000 series and features dimensions of 17 × 35 × 10 mm (bore × OD × width). This bearing has a dynamic load rating of 6,000 N and a static load rating of 3,250 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	17 mm
Outside Diameter (D)	35 mm
Width (B)	10 mm
Weight	0.040 kg

Performance
Dynamic Load Rating (Cr)	6,000 N
Static Load Rating (C₀r)	3,250 N
Limiting Speed (Grease)	19,000 rpm
Limiting Speed (Oil)	24,000 rpm

💡 Application Note: The 6000 series bearings are commonly used in electric motors, power tools, small pumps, and household appliances. The -2Z suffix indicates double metal shields, offering good protection while maintaining lower friction than rubber seals — suitable for higher speed applications.

Brand Cross-Reference — 6003-2Z Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6003-2Z. All share identical dimensions (17×35×10mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 6003-2Z ✦	6,000	3,250
NACHI	NACHI 6003-2Z	6,000	3,250
KOYO	KOYO 6003-2Z	6,000	3,250
Timken	Timken 6003-2Z	6,000	3,250
FAG	FAG 6003-2Z	6,000	3,250
NTN	NTN 6003-2Z	6,000	3,250
SKF	SKF 6003-2Z	6,000	3,250

Available Variants

The NSK 6003 base bearing is available in these configurations:

NSK 6003-NR

Open with snap ring

NSK 6003-ZZ-C3

Double shielded, C3 clearance

NSK 6003-2RS-C3

Double sealed, C3 clearance

NSK 6003-C3

Open, C3 clearance

NSK 6003-ZZ

Double metal shielded

NSK 6003-2RS

Double rubber sealed

NSK 6003

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 6003-2Z?

The NSK 6003-2Z has a bore diameter of 17mm, outside diameter of 35mm, and width of 10mm. It weighs 0.040kg.

What is the load capacity of the NSK 6003-2Z?

The dynamic load rating (Cr) is 6,000 N and the static load rating (C₀r) is 3,250 N. The maximum recommended speed is 19,000 rpm with grease lubrication or 24,000 rpm with oil lubrication.

What bearings are equivalent to NSK 6003-2Z?

The 6003-2Z is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 17×35×10mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.