NSK 1206-NR Bearing — Specifications, Dimensions & Cross-Reference

The NSK 1206-NR is a self-aligning ball bearing with snap ring groove manufactured by NSK. It belongs to the 1200 series and features dimensions of 30 × 62 × 16 mm (bore × OD × width). This bearing has a dynamic load rating of 12,500 N and a static load rating of 4,550 N, making it suitable for medium-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	30 mm
Outside Diameter (D)	62 mm
Width (B)	16 mm
Weight	0.175 kg

Performance
Dynamic Load Rating (Cr)	12,500 N
Static Load Rating (C₀r)	4,550 N
Limiting Speed (Grease)	10,000 rpm
Limiting Speed (Oil)	13,000 rpm

💡 Application Note: The 1200 series bearings are commonly used in conveyor rollers, textile machinery, and applications with shaft misalignment. The -NR suffix indicates an external snap ring groove on the outer ring, allowing easy axial location in housing bores.

Brand Cross-Reference — 1206-NR Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 1206-NR. All share identical dimensions (30×62×16mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 1206-NR ✦	12,500	4,550
Timken	Timken 1206-NR	12,500	4,550
SKF	SKF 1206-NR	12,500	4,550
NACHI	NACHI 1206-NR	12,500	4,550
KOYO	KOYO 1206-NR	12,500	4,550
Timken	Timken 1206-NR	12,500	4,550
FAG	FAG 1206-NR	12,500	4,550
NTN	NTN 1206-NR	12,500	4,550
SKF	SKF 1206-NR	12,500	4,550

Available Variants

The NSK 1206 base bearing is available in these configurations:

NSK 1206-ZZ-C3

Double shielded, C3 clearance

NSK 1206-2RS-C3

Double sealed, C3 clearance

NSK 1206-C3

Open, C3 clearance

NSK 1206-2Z

Double metal shielded (ISO)

NSK 1206-ZZ

Double metal shielded

NSK 1206-2RS

Double rubber sealed

NSK 1206

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 1206-NR?

The NSK 1206-NR has a bore diameter of 30mm, outside diameter of 62mm, and width of 16mm. It weighs 0.175kg.

What is the load capacity of the NSK 1206-NR?

The dynamic load rating (Cr) is 12,500 N and the static load rating (C₀r) is 4,550 N. The maximum recommended speed is 10,000 rpm with grease lubrication or 13,000 rpm with oil lubrication.

What bearings are equivalent to NSK 1206-NR?

The 1206-NR is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 30×62×16mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.