NSK 6205-NR Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6205-NR is a deep groove ball bearing with snap ring groove manufactured by NSK. It belongs to the 6200 series and features dimensions of 25 × 52 × 15 mm (bore × OD × width). This bearing has a dynamic load rating of 14,800 N and a static load rating of 7,800 N, making it suitable for medium-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	25 mm
Outside Diameter (D)	52 mm
Width (B)	15 mm
Weight	0.127 kg

Performance
Dynamic Load Rating (Cr)	14,800 N
Static Load Rating (C₀r)	7,800 N
Limiting Speed (Grease)	13,000 rpm
Limiting Speed (Oil)	16,000 rpm

💡 Application Note: The 6200 series bearings are commonly used in electric motors, agricultural machinery, conveyors, and automotive components. The -NR suffix indicates an external snap ring groove on the outer ring, allowing easy axial location in housing bores.

Brand Cross-Reference — 6205-NR Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6205-NR. All share identical dimensions (25×52×15mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 6205-NR ✦	14,800	7,800
NACHI	NACHI 6205-NR	14,800	7,800
KOYO	KOYO 6205-NR	14,800	7,800
Timken	Timken 6205-NR	14,800	7,800
FAG	FAG 6205-NR	14,800	7,800
NTN	NTN 6205-NR	14,800	7,800
SKF	SKF 6205-NR	14,800	7,800

Available Variants

The NSK 6205 base bearing is available in these configurations:

NSK 6205-ZZ-C3

Double shielded, C3 clearance

NSK 6205-2RS-C3

Double sealed, C3 clearance

NSK 6205-C3

Open, C3 clearance

NSK 6205-2Z

Double metal shielded (ISO)

NSK 6205-ZZ

Double metal shielded

NSK 6205-2RS

Double rubber sealed

NSK 6205

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 6205-NR?

The NSK 6205-NR has a bore diameter of 25mm, outside diameter of 52mm, and width of 15mm. It weighs 0.127kg.

What is the load capacity of the NSK 6205-NR?

The dynamic load rating (Cr) is 14,800 N and the static load rating (C₀r) is 7,800 N. The maximum recommended speed is 13,000 rpm with grease lubrication or 16,000 rpm with oil lubrication.

What bearings are equivalent to NSK 6205-NR?

The 6205-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 25×52×15mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.