NSK 7208-2Z Bearing — Specifications, Dimensions & Cross-Reference

The NSK 7208-2Z is a angular contact ball bearing double metal shielded manufactured by NSK. It belongs to the 7200 series and features dimensions of 40 × 80 × 18 mm (bore × OD × width). This bearing has a dynamic load rating of 30,700 N and a static load rating of 19,000 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	40 mm
Outside Diameter (D)	80 mm
Width (B)	18 mm
Weight	0.356 kg

Performance
Dynamic Load Rating (Cr)	30,700 N
Static Load Rating (C₀r)	19,000 N
Limiting Speed (Grease)	8,500 rpm
Limiting Speed (Oil)	10,000 rpm

💡 Application Note: The 7200 series bearings are commonly used in machine tool spindles, pumps, compressors, and applications requiring combined radial and axial loads. The -2Z suffix indicates double metal shields, offering good protection while maintaining lower friction than rubber seals — suitable for higher speed applications.

Brand Cross-Reference — 7208-2Z Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 7208-2Z. All share identical dimensions (40×80×18mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 7208-2Z ✦	30,700	19,000
SKF	SKF 7208-2Z	30,700	19,000
NTN	NTN 7208-2Z	30,700	19,000
KOYO	KOYO 7208-2Z	30,700	19,000
FAG	FAG 7208-2Z	30,700	19,000
NACHI	NACHI 7208-2Z	30,700	19,000
Timken	Timken 7208-2Z	30,700	19,000
NTN	NTN 7208-2Z	30,700	19,000
SKF	SKF 7208-2Z	30,700	19,000

Available Variants

The NSK 7208 base bearing is available in these configurations:

NSK 7208-NR

Open with snap ring

NSK 7208-ZZ-C3

Double shielded, C3 clearance

NSK 7208-2RS-C3

Double sealed, C3 clearance

NSK 7208-C3

Open, C3 clearance

NSK 7208-ZZ

Double metal shielded

NSK 7208-2RS

Double rubber sealed

NSK 7208

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 7208-2Z?

The NSK 7208-2Z has a bore diameter of 40mm, outside diameter of 80mm, and width of 18mm. It weighs 0.356kg.

What is the load capacity of the NSK 7208-2Z?

The dynamic load rating (Cr) is 30,700 N and the static load rating (C₀r) is 19,000 N. The maximum recommended speed is 8,500 rpm with grease lubrication or 10,000 rpm with oil lubrication.

What bearings are equivalent to NSK 7208-2Z?

The 7208-2Z is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×80×18mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.