NSK 6001-ZZ Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6001-ZZ is a deep groove ball bearing double metal shielded manufactured by NSK. It belongs to the 6000 series and features dimensions of 12 × 28 × 8 mm (bore × OD × width). This bearing has a dynamic load rating of 5,100 N and a static load rating of 2,370 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	12 mm
Outside Diameter (D)	28 mm
Width (B)	8 mm
Weight	0.020 kg

Performance
Dynamic Load Rating (Cr)	5,100 N
Static Load Rating (C₀r)	2,370 N
Limiting Speed (Grease)	26,000 rpm
Limiting Speed (Oil)	30,000 rpm

💡 Application Note: The 6000 series bearings are commonly used in electric motors, power tools, small pumps, and household appliances. 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 — 6001-ZZ Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6001-ZZ. All share identical dimensions (12×28×8mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 6001-ZZ ✦	5,100	2,370
NACHI	NACHI 6001-ZZ	5,100	2,370
KOYO	KOYO 6001-ZZ	5,100	2,370
Timken	Timken 6001-ZZ	5,100	2,370
FAG	FAG 6001-ZZ	5,100	2,370
NTN	NTN 6001-ZZ	5,100	2,370
SKF	SKF 6001-ZZ	5,100	2,370

Available Variants

The NSK 6001 base bearing is available in these configurations:

NSK 6001-NR

Open with snap ring

NSK 6001-ZZ-C3

Double shielded, C3 clearance

NSK 6001-2RS-C3

Double sealed, C3 clearance

NSK 6001-C3

Open, C3 clearance

NSK 6001-2Z

Double metal shielded (ISO)

NSK 6001-2RS

Double rubber sealed

NSK 6001

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 6001-ZZ?

The NSK 6001-ZZ has a bore diameter of 12mm, outside diameter of 28mm, and width of 8mm. It weighs 0.020kg.

What is the load capacity of the NSK 6001-ZZ?

The dynamic load rating (Cr) is 5,100 N and the static load rating (C₀r) is 2,370 N. The maximum recommended speed is 26,000 rpm with grease lubrication or 30,000 rpm with oil lubrication.

What bearings are equivalent to NSK 6001-ZZ?

The 6001-ZZ is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 12×28×8mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.