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6303-2RS

Deep Groove Ball Bearing

Lead TimePOA
ISO 9001 Certified Authorised UK Distributor
6303-2RS Deep Groove Ball Bearing
Nachi
Nachi logo

Heavy-series bearing with a 17mm bore, engineered for high-stress industrial environments.

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Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.

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Technical Dimensions & Load Ratings

Confirm these values match your shaft, housing and application requirements before ordering.

Dimensions

Bore Diameter (d)17mm
Outer Diameter (D)47mm
Width (B)14mm
Weight0.12kg

Load & Speed Ratings

Dynamic Load Rating (Cr)13.6kN
Static Load Rating (C0r)6.6kN
Reference Speed11000rpm

Product Details

Part Number6303-2RS
BrandNachi
Bearing TypeDeep Groove Ball Bearing
Seal Type2RS
MaterialChrome Steel
Stock StatusExtended Stock

Technical Datasheet

Download full specifications for 6303-2RS — dimensions, load ratings, and material data.

No cross-reference part numbers are recorded for 6303-2RS. Ask our team for equivalent part numbers.
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Engineering support

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Frequently Asked Questions

What is a 6303-2RS bearing?

The 6303-2RS is a Nachi Deep Groove Ball Bearing with a 17mm bore, 47mm outer diameter and 14mm width. It is Extended Stock at Buy Bearings.

What are the 6303-2RS dimensions?

The 6303-2RS measures 17mm bore (inner diameter) × 47mm outer diameter × 14mm width.

What does 2RS mean on a bearing?

2RS (two rubber seals) bearings are sealed and lubricated for life — they keep dust and moisture out and need no relubrication, making them ideal for most general-purpose applications.

Is the 6303-2RS in stock?

The 6303-2RS is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).

Related & Compatible Bearings

Same deep groove ball bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.

32303 Deep Groove Ball Bearing
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Bore
17
OD
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Width
20.25
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 17mm bore × 47mm outer diameter × 20.25mm width. Suited to electric motors, fans, pumps and general-purpose high-speed applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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1302ETN9 Deep Groove Ball Bearing
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OD
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09067/9195 Deep Groove Ball Bearing
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Width
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1203STEEL Deep Groove Ball Bearing
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Bore
17
OD
40
Width
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ISB Deep Groove Ball Bearing with Open seals measuring 17mm bore × 40mm outer diameter × 12mm width. Suited to electric motors, fans, pumps and general-purpose high-speed applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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Related Parts — Seals & Bushings

Matching seals and bushings for 17mm shaft diameter — complementary components for your bearing.

17X25X4 R21 Seals
17X25X4 R21
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POAPrice Match
Bore
17
OD
25
Width
4
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Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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17X25X7 R21 Seals
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Width
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Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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17X27X7 R23 Seals
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OD
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Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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17X28X7 R23 Seals
17X28X7 R23
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Bore
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OD
28
Width
7
SealOpen
Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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