What is the difference between 6204 and 6204-2RS?

Both share the same dimensions (20×47×14 mm). The -2RS variant adds rubber seals on both sides, providing grease retention and contamination protection. The plain 6204 is open and meant for re-lubrication systems.

Are SKF, NTN and FAG 6205 interchangeable?

Yes — boundary dimensions follow ISO 15. Differences are in internal geometry, cage material, noise grade and lubrication. SLS supplies all three with traceable certificates.

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Deep Groove Ball Bearings in India — SKF, NTN, FAG, NSK, Koyo

Deep groove ball bearings are the most widely used bearing type — versatile, high-speed capable, and able to handle both radial and moderate axial loads in either direction. SLS Bearings India stocks the complete 6000, 6200, 6300 and 6400 series across major OEMs.

Specifications

Cage: Steel, brass, polyamide
Seal options: Open, ZZ, 2RS, 2RSR, NR snap-ring
Clearance: C2, CN, C3, C4

Typical applications

Electric motors
Pumps
Gearboxes
CNC machines
Conveyors
Household appliances

Products & part numbers

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Part No.	Brand	Bore	OD	Width
6204	ntn	20	47	14
6204-2RS	skf	20	47	14
6204-2RSLTN9/HC5C3WT	skf	20	—	—
6204-ZZ	ntn	20	47	14
6205	ntn	25	52	15
6206	skf	30	62	16
6207	fag	35	72	17
6208	ntn	40	80	18
6216	skf	80	—	26
6304	koyo	20	52	15
6306	ntn	30	72	19
6308	skf	40	90	23
W61700-2Z	skf	—	—	4

Frequently asked

What is the difference between 6204 and 6204-2RS?: Both share the same dimensions (20×47×14 mm). The -2RS variant adds rubber seals on both sides, providing grease retention and contamination protection. The plain 6204 is open and meant for re-lubrication systems.
Are SKF, NTN and FAG 6205 interchangeable?: Yes — boundary dimensions follow ISO 15. Differences are in internal geometry, cage material, noise grade and lubrication. SLS supplies all three with traceable certificates.