NACHI 6300-NR Bearing — Specifications, Dimensions & Cross-Reference

The NACHI 6300-NR is a deep groove ball bearing with snap ring groove manufactured by NACHI. It belongs to the 6300 series and features dimensions of 10 × 35 × 11 mm (bore × OD × width). This bearing has a dynamic load rating of 8,060 N and a static load rating of 3,400 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	10 mm
Outside Diameter (D)	35 mm
Width (B)	11 mm
Weight	0.053 kg

Performance
Dynamic Load Rating (Cr)	8,060 N
Static Load Rating (C₀r)	3,400 N
Limiting Speed (Grease)	20,000 rpm
Limiting Speed (Oil)	26,000 rpm

💡 Application Note: The 6300 series bearings are commonly used in heavy-duty electric motors, mining equipment, construction machinery, and industrial gearboxes. The -NR suffix indicates an external snap ring groove on the outer ring, allowing easy axial location in housing bores.

Brand Cross-Reference — 6300-NR Equivalents

The following bearings from other manufacturers are interchangeable with the NACHI 6300-NR. All share identical dimensions (10×35×11mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NACHI	NACHI 6300-NR ✦	8,060	3,400
Timken	Timken 6300-NR	8,060	3,400
SKF	SKF 6300-NR	8,060	3,400
NTN	NTN 6300-NR	8,060	3,400
KOYO	KOYO 6300-NR	8,060	3,400
FAG	FAG 6300-NR	8,060	3,400
Timken	Timken 6300-NR	8,060	3,400
NSK	NSK 6300-NR	8,060	3,400
NTN	NTN 6300-NR	8,060	3,400
SKF	SKF 6300-NR	8,060	3,400

Available Variants

The NACHI 6300 base bearing is available in these configurations:

NACHI 6300-ZZ-C3

"Double shielded

NACHI 6300-ZZ

Double metal shielded

NACHI 6300-C3

"Open

NACHI 6300-2Z

Double metal shielded (ISO)

NACHI 6300-2RS-C3

"Double sealed

NACHI 6300-2RS

Double rubber sealed

NACHI 6300

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NACHI 6300-NR?

The NACHI 6300-NR has a bore diameter of 10mm, outside diameter of 35mm, and width of 11mm. It weighs 0.053kg.

What is the load capacity of the NACHI 6300-NR?

The dynamic load rating (Cr) is 8,060 N and the static load rating (C₀r) is 3,400 N. The maximum recommended speed is 20,000 rpm with grease lubrication or 26,000 rpm with oil lubrication.

What bearings are equivalent to NACHI 6300-NR?

The 6300-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 10×35×11mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.