NACHI 6015-ZZ Bearing — Specifications, Dimensions & Cross-Reference

The NACHI 6015-ZZ is a deep groove ball bearing double metal shielded manufactured by NACHI. It belongs to the 6000 series and features dimensions of 75 × 115 × 20 mm (bore × OD × width). This bearing has a dynamic load rating of 31,500 N and a static load rating of 26,000 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	75 mm
Outside Diameter (D)	115 mm
Width (B)	20 mm
Weight	0.535 kg

Performance
Dynamic Load Rating (Cr)	31,500 N
Static Load Rating (C₀r)	26,000 N
Limiting Speed (Grease)	5,300 rpm
Limiting Speed (Oil)	6,300 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 — 6015-ZZ Equivalents

The following bearings from other manufacturers are interchangeable with the NACHI 6015-ZZ. All share identical dimensions (75×115×20mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NACHI	NACHI 6015-ZZ ✦	31,500	26,000
Timken	Timken 6015-ZZ	31,500	26,000
SKF	SKF 6015-ZZ	31,500	26,000
KOYO	KOYO 6015-ZZ	31,500	26,000
Timken	Timken 6015-ZZ	31,500	26,000
FAG	FAG 6015-ZZ	31,500	26,000
NSK	NSK 6015-ZZ	31,500	26,000
NTN	NTN 6015-ZZ	31,500	26,000
SKF	SKF 6015-ZZ	31,500	26,000

Available Variants

The NACHI 6015 base bearing is available in these configurations:

NACHI 6015-ZZ-C3

"Double shielded

NACHI 6015-NR

Open with snap ring

NACHI 6015-C3

"Open

NACHI 6015-2Z

Double metal shielded (ISO)

NACHI 6015-2RS-C3

"Double sealed

NACHI 6015-2RS

Double rubber sealed

NACHI 6015

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NACHI 6015-ZZ?

The NACHI 6015-ZZ has a bore diameter of 75mm, outside diameter of 115mm, and width of 20mm. It weighs 0.535kg.

What is the load capacity of the NACHI 6015-ZZ?

The dynamic load rating (Cr) is 31,500 N and the static load rating (C₀r) is 26,000 N. The maximum recommended speed is 5,300 rpm with grease lubrication or 6,300 rpm with oil lubrication.

What bearings are equivalent to NACHI 6015-ZZ?

The 6015-ZZ is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 75×115×20mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.