What is the equivalent of a 4T-32010 bearing?

The 4T-32010 is a 50×80×20mm ball bearing with verified equivalents across multiple brands: FAG 32010-XL, NSK HR32010J, NTN 4T-32010, SKF 32010 J2/Q. All equivalents share the same bore, outer diameter, width, and load ratings.

What are the dimensions of a 4T-32010 bearing?

The 4T-32010 bearing has a bore diameter of 50mm, outer diameter of 80mm, and width of 20mm. It has a dynamic load rating of 32.5 kN, static load rating of 21 kN, and weighs 252g. Maximum speed with grease lubrication is 5,400 rpm.

Can I replace a Timken 4T-32010 with a FAG equivalent?

Yes. Timken and FAG bearings with the same ISO designation are dimensionally interchangeable. The 4T-32010 (50×80×20mm) can be replaced with the equivalent FAG part number as long as the seal type (open) and clearance class (CN) match. Always verify load ratings and speed limits for your specific application.

4T-32010

OpenCNTapered Roller BearingVerified match

50 × 80 × 20mm

Open (no seal)

Cr 32.5 kN / C₀r 21 kN

5,400 rpm (grease)

Timken3201050 × 80 × 20mm

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Match Details

The specifications and details for why this match is correct.

Specifications

Bore diameter (d)	50 mm
Outer diameter (D)	80 mm
Width (B)	20 mm
Dynamic load rating (C)	32.5 kN
Static load rating (C₀)	21 kN
Weight	252 g
Max speed (grease)	5,400 rpm
Max speed (oil)	7,200 rpm

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Why This Match Is Correct

✓Exact dimensional match (bore, OD, width)

✓Load ratings within tolerance

✓Seal type verified via manufacturer tables

✓Speed rating compatible

Cross-References

Every way this part is identified across brands and catalogs.

Tier-1 Brand Equivalents

Brand	Part Number	Seal	Clearance	Status
Timken	32010	Open	CN	Verified
FAG	32010-XL	Open	CN	Verified
NSK	HR32010J	Open	CN	Verified
NTN	4T-32010	Open	CN	Current
SKF	32010 J2/Q	Open	CN	Verified

Legacy & Proprietary Numbers

DAG6319800002FLT32010XKOYO32010JRNTN32010XSKF32010X/QSTEYR32010CXTIMKEN32010XDAG6319800602

Technical Details & Applications

Specification variations and common equipment types.

Internal Clearance

Normal Clearance (CN)

Standard radial internal clearance. Suitable for most applications under normal operating conditions.

TemperatureUp to ~70°C operating temperature

Seal Type

Open (No Seal)

No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.

Avoid forDirty, dusty, or wet environments. Applications without planned lubrication maintenance.

Examples

Machine tool spindles
Gearboxes with oil bath lubrication
High-speed precision equipment

Where This Bearing Is Used

Electric motorsPumps and compressorsConveyor rollersAgricultural machineryFans and blowersGearboxesPower transmission equipmentWashing machinesPrinting pressesHVACAutomotive alternators and A/C compressors

Alternative Parts

Options if this exact part isn't what you need.

Same Geometry, Different Configuration

SKF Part Number	Seal Type	Clearance
32010 J2/Q	Open (No Seal)	CN
32010 J2/Q C3	Open (No Seal)	C3

Related Bearings

Adjacent sizes and cross-series bearings from our catalog.