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16004

Deep Groove Ball Bearing

Lead TimePOA
ISO 9001 Certified Authorised UK Distributor
16004 Deep Groove Ball Bearing
Nachi
Nachi logo

Thin-section open bearing designed for applications where space and weight are critical factors.

Price Match Promise

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

17,000+ parts in stock Next-day UK dispatch UK distributor since 2010
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ISO 9001 Certified Free UK delivery over £150 30-day returns

Technical Dimensions & Load Ratings

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

Dimensions

Bore Diameter (d)20mm
Outer Diameter (D)42mm
Width (B)8mm
Weight0.05kg

Load & Speed Ratings

Dynamic Load Rating (Cr)7.9kN
Static Load Rating (C0r)4.5kN
Reference Speed15000rpm

Product Details

Part Number16004
BrandNachi
Bearing TypeDeep Groove Ball Bearing
Seal TypeOpen
MaterialChrome Steel
Stock StatusExtended Stock

Technical Datasheet

Download full specifications for 16004 — dimensions, load ratings, and material data.

No cross-reference part numbers are recorded for 16004. Ask our team for equivalent part numbers.
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Engineering support

Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.

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Frequently Asked Questions

What is a 16004 bearing?

The 16004 is a Nachi Deep Groove Ball Bearing with a 20mm bore, 42mm outer diameter and 8mm width. It is Extended Stock at Buy Bearings.

What are the 16004 dimensions?

The 16004 measures 20mm bore (inner diameter) × 42mm outer diameter × 8mm width.

What does Open mean on a bearing?

Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.

Is the 16004 in stock?

The 16004 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.

16004-C3 Deep Groove Ball Bearing
16004-C3
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Bore
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OD
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Width
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SealOpen
NKE Deep Groove Ball Bearing with Open seals measuring 20mm bore × 37mm outer diameter × 8mm 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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160042RS Deep Groove Ball Bearing
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1203STEEL Deep Groove Ball Bearing
1203STEEL
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Bore
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OD
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Width
12
SealOpen
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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32904 Deep Groove Ball Bearing
32904
ISB logo
POAPrice Match
Bore
20
OD
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Width
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SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 20mm bore × 37mm 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 20mm shaft diameter — complementary components for your bearing.

20X28X4/7 Seals
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Bore
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OD
28
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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20X28X5 R21 Seals
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20X30X5 R21 Seals
20X30X5 R21
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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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20X30X7 R23 Seals
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OD
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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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