NACHI 6410 Bearing — Specifications, Dimensions & Cross-Reference

The NACHI 6410 is a deep groove ball bearing manufactured by NACHI. It belongs to the 6400 series and features dimensions of 50 × 130 × 31 mm (bore × OD × width). This bearing has a dynamic load rating of 81,900 N and a static load rating of 48,000 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)50 mm
Outside Diameter (D)130 mm
Width (B)31 mm
Weight1.73 kg
Performance
Dynamic Load Rating (Cr)81,900 N
Static Load Rating (C₀r)48,000 N
Limiting Speed (Grease)5,000 rpm
Limiting Speed (Oil)6,300 rpm
💡 Application Note: The 6400 series bearings are commonly used in heavy machinery, large industrial gearboxes, and high-load conveyor systems.

Brand Cross-Reference — 6410 Equivalents

The following bearings from other manufacturers are interchangeable with the NACHI 6410. All share identical dimensions (50×130×31mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NACHINACHI 6410 ✦81,90048,000
Timken Timken 6410 81,900 48,000
SKF SKF 6410 81,900 48,000
NTN NTN 6410 81,900 48,000
KOYO KOYO 6410 81,900 48,000
FAG FAG 6410 81,900 48,000
Timken Timken 6410 81,900 48,000
NSK NSK 6410 81,900 48,000
NTN NTN 6410 81,900 48,000
SKF SKF 6410 81,900 48,000

Available Variants

The NACHI 6410 base bearing is available in these configurations:

NACHI 6410-ZZ-C3
"Double shielded
NACHI 6410-ZZ
Double metal shielded
NACHI 6410-NR
Open with snap ring
NACHI 6410-2Z
Double metal shielded (ISO)
NACHI 6410-2RS-C3
"Double sealed
NACHI 6410-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the NACHI 6410?

The NACHI 6410 has a bore diameter of 50mm, outside diameter of 130mm, and width of 31mm. It weighs 1.73kg.

What is the load capacity of the NACHI 6410?

The dynamic load rating (Cr) is 81,900 N and the static load rating (C₀r) is 48,000 N. The maximum recommended speed is 5,000 rpm with grease lubrication or 6,300 rpm with oil lubrication.

What bearings are equivalent to NACHI 6410?

The 6410 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 50×130×31mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.