NSK 2208-NR Bearing — Specifications, Dimensions & Cross-Reference

The NSK 2208-NR is a self-aligning ball bearing with snap ring groove manufactured by NSK. It belongs to the 2200 series and features dimensions of 40 × 80 × 23 mm (bore × OD × width). This bearing has a dynamic load rating of 26,000 N and a static load rating of 10,200 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	40 mm
Outside Diameter (D)	80 mm
Width (B)	23 mm
Weight	0.420 kg

Performance
Dynamic Load Rating (Cr)	26,000 N
Static Load Rating (C₀r)	10,200 N
Limiting Speed (Grease)	6,700 rpm
Limiting Speed (Oil)	8,500 rpm

💡 Application Note: The 2200 series bearings are commonly used in agricultural equipment, conveyor systems, and applications with moderate misalignment. The -NR suffix indicates an external snap ring groove on the outer ring, allowing easy axial location in housing bores.

Brand Cross-Reference — 2208-NR Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 2208-NR. All share identical dimensions (40×80×23mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 2208-NR ✦	26,000	10,200
Timken	Timken 2208-NR	26,000	10,200
SKF	SKF 2208-NR	26,000	10,200
NACHI	NACHI 2208-NR	26,000	10,200
KOYO	KOYO 2208-NR	26,000	10,200
Timken	Timken 2208-NR	26,000	10,200
FAG	FAG 2208-NR	26,000	10,200
NTN	NTN 2208-NR	26,000	10,200
SKF	SKF 2208-NR	26,000	10,200

Available Variants

The NSK 2208 base bearing is available in these configurations:

NSK 2208-ZZ-C3

Double shielded, C3 clearance

NSK 2208-2RS-C3

Double sealed, C3 clearance

NSK 2208-C3

Open, C3 clearance

NSK 2208-2Z

Double metal shielded (ISO)

NSK 2208-ZZ

Double metal shielded

NSK 2208-2RS

Double rubber sealed

NSK 2208

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 2208-NR?

The NSK 2208-NR has a bore diameter of 40mm, outside diameter of 80mm, and width of 23mm. It weighs 0.420kg.

What is the load capacity of the NSK 2208-NR?

The dynamic load rating (Cr) is 26,000 N and the static load rating (C₀r) is 10,200 N. The maximum recommended speed is 6,700 rpm with grease lubrication or 8,500 rpm with oil lubrication.

What bearings are equivalent to NSK 2208-NR?

The 2208-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×80×23mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.