NSK 6407-ZZ-C3 Bearing — Specifications, Dimensions & Cross-Reference

The NSK 6407-ZZ-C3 is a deep groove ball bearing double metal shielded manufactured by NSK. It belongs to the 6400 series and features dimensions of 35 × 100 × 25 mm (bore × OD × width). This bearing has a dynamic load rating of 56,800 N and a static load rating of 29,500 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	35 mm
Outside Diameter (D)	100 mm
Width (B)	25 mm
Weight	0.926 kg

Performance
Dynamic Load Rating (Cr)	56,800 N
Static Load Rating (C₀r)	29,500 N
Limiting Speed (Grease)	6,700 rpm
Limiting Speed (Oil)	8,500 rpm

💡 Application Note: The 6400 series bearings are commonly used in heavy machinery, large industrial gearboxes, and high-load conveyor systems. The -ZZ suffix indicates double metal shields, offering good protection while maintaining lower friction than rubber seals — suitable for higher speed applications.

Brand Cross-Reference — 6407-ZZ-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the NSK 6407-ZZ-C3. All share identical dimensions (35×100×25mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
NSK	NSK 6407-ZZ-C3 ✦	56,800	29,500
Timken	Timken 6407-ZZ-C3	56,800	29,500
SKF	SKF 6407-ZZ-C3	56,800	29,500
NTN	NTN 6407-ZZ-C3	56,800	29,500
NACHI	NACHI 6407-ZZ-C3	56,800	29,500
KOYO	KOYO 6407-ZZ-C3	56,800	29,500
FAG	FAG 6407-ZZ-C3	56,800	29,500
Timken	Timken 6407-ZZ-C3	56,800	29,500
NTN	NTN 6407-ZZ-C3	56,800	29,500
SKF	SKF 6407-ZZ-C3	56,800	29,500

Available Variants

The NSK 6407 base bearing is available in these configurations:

NSK 6407-NR

Open with snap ring

NSK 6407-2RS-C3

Double sealed, C3 clearance

NSK 6407-C3

Open, C3 clearance

NSK 6407-2Z

Double metal shielded (ISO)

NSK 6407-ZZ

Double metal shielded

NSK 6407-2RS

Double rubber sealed

NSK 6407

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NSK 6407-ZZ-C3?

The NSK 6407-ZZ-C3 has a bore diameter of 35mm, outside diameter of 100mm, and width of 25mm. It weighs 0.926kg.

What is the load capacity of the NSK 6407-ZZ-C3?

The dynamic load rating (Cr) is 56,800 N and the static load rating (C₀r) is 29,500 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 6407-ZZ-C3?

The 6407-ZZ-C3 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 35×100×25mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.