NSK 6800-2Z Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6800-2Z is a deep groove ball bearing double metal shielded manufactured by NSK. It belongs to the 6800 series and features dimensions of 10 × 19 × 5 mm (bore × OD × width). This bearing has a dynamic load rating of 1,400 N and a static load rating of 750 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	10 mm
Outside Diameter (D)	19 mm
Width (B)	5 mm
Weight	0.005 kg

Performance
Dynamic Load Rating (Cr)	1,400 N
Static Load Rating (C₀r)	750 N
Limiting Speed (Grease)	28,000 rpm
Limiting Speed (Oil)	36,000 rpm

💡 Application Note: The 6800 series bearings are commonly used in precision instruments, medical devices, dental handpieces, and miniature mechanisms. 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 — 6800-2Z Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6800-2Z. All share identical dimensions (10×19×5mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 6800-2Z ✦	1,400	750
Timken	Timken 6800-2Z	1,400	750
SKF	SKF 6800-2Z	1,400	750
NTN	NTN 6800-2Z	1,400	750
NACHI	NACHI 6800-2Z	1,400	750
KOYO	KOYO 6800-2Z	1,400	750
FAG	FAG 6800-2Z	1,400	750
Timken	Timken 6800-2Z	1,400	750
NTN	NTN 6800-2Z	1,400	750
SKF	SKF 6800-2Z	1,400	750

Available Variants

The NSK 6800 base bearing is available in these configurations:

NSK 6800-NR

Open with snap ring

NSK 6800-ZZ-C3

Double shielded, C3 clearance

NSK 6800-2RS-C3

Double sealed, C3 clearance

NSK 6800-C3

Open, C3 clearance

NSK 6800-ZZ

Double metal shielded

NSK 6800-2RS

Double rubber sealed

NSK 6800

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 6800-2Z?

The NSK 6800-2Z has a bore diameter of 10mm, outside diameter of 19mm, and width of 5mm. It weighs 0.005kg.

What is the load capacity of the NSK 6800-2Z?

The dynamic load rating (Cr) is 1,400 N and the static load rating (C₀r) is 750 N. The maximum recommended speed is 28,000 rpm with grease lubrication or 36,000 rpm with oil lubrication.

What bearings are equivalent to NSK 6800-2Z?

The 6800-2Z is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 10×19×5mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.