NTN 6410-2Z Bearing — Specifications, Dimensions & Cross-Reference

The NTN 6410-2Z is a deep groove ball bearing double metal shielded manufactured by NTN. 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. 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 — 6410-2Z Equivalents

The following bearings from other manufacturers are interchangeable with the NTN 6410-2Z. All share identical dimensions (50×130×31mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NTNNTN 6410-2Z ✦81,90048,000
Timken Timken 6410-2Z 81,900 48,000
SKF SKF 6410-2Z 81,900 48,000
NTN NTN 6410-2Z 81,900 48,000
NACHI NACHI 6410-2Z 81,900 48,000
KOYO KOYO 6410-2Z 81,900 48,000
FAG FAG 6410-2Z 81,900 48,000
Timken Timken 6410-2Z 81,900 48,000
NSK NSK 6410-2Z 81,900 48,000
SKF SKF 6410-2Z 81,900 48,000

Available Variants

The NTN 6410 base bearing is available in these configurations:

NTN 6410-ZZ-C3
"Double shielded
NTN 6410-ZZ
Double metal shielded
NTN 6410-NR
Open with snap ring
NTN 6410-C3
"Open
NTN 6410-2Z
Double metal shielded (ISO)
NTN 6410-2RS-C3
"Double sealed
NTN 6410-2RS
Double rubber sealed
NTN 6410
Open (no seal/shield)
NTN 6410-NR
Open with snap ring
NTN 6410-ZZ-C3
Double shielded, C3 clearance
NTN 6410-2RS-C3
Double sealed, C3 clearance
NTN 6410-C3
Open, C3 clearance
NTN 6410-ZZ
Double metal shielded
NTN 6410-2RS
Double rubber sealed
NTN 6410
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the NTN 6410-2Z?

The NTN 6410-2Z 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 NTN 6410-2Z?

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 NTN 6410-2Z?

The 6410-2Z 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.