What is the equivalent of a 6300UG bearing?

The 6300UG is a 10×35×11mm deep groove ball bearing with verified equivalents across multiple brands: FAG 6300, NSK 6300, NTN 6300, Timken 6300. All equivalents share the same bore, outer diameter, width, and load ratings.

What are the dimensions of a 6300UG bearing?

The 6300UG bearing has a bore diameter of 10mm, outer diameter of 35mm, and width of 11mm. It has a dynamic load rating of 8.52 kN, static load rating of 3.4 kN, and weighs 50.8g. Maximum speed with grease lubrication is 32,000 rpm.

Can I replace a SKF 6300UG with a FAG equivalent?

Yes. SKF and FAG bearings with the same ISO designation are dimensionally interchangeable. The 6300UG (10×35×11mm) 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.

6300UG

OpenCNDeep Groove Ball BearingMedium Series

Higher load capacity than the 6200 series for the same bore size. Used where heavier radial loads are expected.

SKF630010 × 35 × 11mm

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Match Details

The specifications and details for why this match is correct.

Specifications

Bore diameter (d)	10 mm
Outer diameter (D)	35 mm
Width (B)	11 mm
Dynamic load rating (C)	8.52 kN
Static load rating (C₀)	3.4 kN
Weight	50.8 g
Max speed (grease)	32,000 rpm
Max speed (oil)	50,000 rpm

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Cross-References

Every way this part is identified across brands and catalogs.

Tier-1 Brand Equivalents

Brand	Part Number	Seal	Clearance	Status
SKF	6300	Open	CN	Probable
FAG	6300	Open	CN	Probable
NSK	6300	Open	CN	Verified
NTN	6300	Open	CN	Probable
Timken	6300	Open	CN	Probable

Legacy & Proprietary Numbers

SKF63000-2RSSTEYR63000-2RS1NSK63001DDUPEER6300-2RLDKOYO63002RSRHP63002-2RSFafnir300KFEDERAL1300FLT6300.2RSGMN6300-2RSMRC300-SNTN6300LLUSNR6300EFBC6300PFederal1300FFNew Departure88200GKN2302010HOOVER7300URB6300UGZKL6300ZSKF63000-2RS1STEYR63002-2RS1NSK6300C3EPEER6300-2RLD-C3KOYO6300DRHP6300-2RSFafnir300KDFEDERAL1300FFLT6300RSGMN6300RS

Show all 105 cross-references

MRC300-SFFNTN6300LUSNR6300EEFBC6300PPFederal1300SFNew Departure88500SKF63001-2RSSTEYR6300-2Z/C3NSK6300DDPEER63005-2RLDKOYO6300DDRHP6300RSFafnir300KDDFEDERAL1300FFFLT6300ZGMN6300ZMRC300-SZZNTN6300ZSNR6300ZSKF63001-2RS1STEYR63003-2RS1NSK6300DDUPEER6300-C3KOYO6300RSRHP6300ZSKF63002-2RSSTEYR63004-2RS1NSK6300DUPEER6300-ZZDKOYO6300ZSKF63002-2RS1STEYR63005-2RS1NSK6300ZPEER6300-ZZD-C3SKF6300-2RS1/C3STEYR63006-2RS1SKF6300-2RS1/C3QE6STEYR63007-2RS1SKF6300-2RS1/QE6STEYR63008-2RS1SKF6300-2RSHSTEYR63009-2RS1SKF6300-2RSH/C3STEYR6300ZSKF6300-2RSJEMSKF6300-2Z/C3SKF6300-2Z/C3GJNSKF6300-2Z/C3HT51SKF6300-2Z/C3LT20SKF6300-2Z/C3QE6SKF6300-2ZJEMSKF63003-2RSSKF63003-2RS1SKF63004-2RSSKF63004-2RS1SKF63004-2RS1/C3SKF63005-2RSSKF63005-2RS1SKF63006-2RSSKF63006-2RS1SKF63007-2RSSKF63007-2RS1SKF63007-2RS1/C3SKF63008-2RS1SKF63009-2RSSKF63009-2RS1SKF6300/C3SKF6300/C3QE6SKF6300JEMSKF6300/QE6SKF6300-RS1SKF6300-RSJEMSKF6300-ZSKF6300-Z/C3SKF6300-ZJEM

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
6300	Open (No Seal)	CN
6300 C3	Open (No Seal)	C3
6300-2Z	ZZ	CN
6300-2Z C3	ZZ	C3
6300-2RS1	2RS	CN
6300-2RS1 C3	2RS	C3

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