KOYO 6012-NR Bearing — Specifications, Dimensions & Cross-Reference

The KOYO 6012-NR is a deep groove ball bearing with snap ring groove manufactured by KOYO. It belongs to the 6000 series and features dimensions of 60 × 95 × 18 mm (bore × OD × width). This bearing has a dynamic load rating of 24,000 N and a static load rating of 18,300 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	60 mm
Outside Diameter (D)	95 mm
Width (B)	18 mm
Weight	0.362 kg

Performance
Dynamic Load Rating (Cr)	24,000 N
Static Load Rating (C₀r)	18,300 N
Limiting Speed (Grease)	7,000 rpm
Limiting Speed (Oil)	8,500 rpm

💡 Application Note: The 6000 series bearings are commonly used in electric motors, power tools, small pumps, and household appliances. The -NR suffix indicates an external snap ring groove on the outer ring, allowing easy axial location in housing bores.

Brand Cross-Reference — 6012-NR Equivalents

The following bearings from other manufacturers are interchangeable with the KOYO 6012-NR. All share identical dimensions (60×95×18mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
KOYO	KOYO 6012-NR ✦	24,000	18,300
Timken	Timken 6012-NR	24,000	18,300
SKF	SKF 6012-NR	24,000	18,300
NACHI	NACHI 6012-NR	24,000	18,300
Timken	Timken 6012-NR	24,000	18,300
FAG	FAG 6012-NR	24,000	18,300
NTN	NTN 6012-NR	24,000	18,300
NSK	NSK 6012-NR	24,000	18,300
SKF	SKF 6012-NR	24,000	18,300

Available Variants

The KOYO 6012 base bearing is available in these configurations:

KOYO 6012-ZZ-C3

"Double shielded

KOYO 6012-ZZ

Double metal shielded

KOYO 6012-C3

"Open

KOYO 6012-2Z

Double metal shielded (ISO)

KOYO 6012-2RS-C3

"Double sealed

KOYO 6012-2RS

Double rubber sealed

KOYO 6012

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the KOYO 6012-NR?

The KOYO 6012-NR has a bore diameter of 60mm, outside diameter of 95mm, and width of 18mm. It weighs 0.362kg.

What is the load capacity of the KOYO 6012-NR?

The dynamic load rating (Cr) is 24,000 N and the static load rating (C₀r) is 18,300 N. The maximum recommended speed is 7,000 rpm with grease lubrication or 8,500 rpm with oil lubrication.

What bearings are equivalent to KOYO 6012-NR?

The 6012-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 60×95×18mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.