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NJ208

Cylindrical Roller Bearing

Lead TimePOA
ISO 9001 Certified Authorised UK Distributor
NJ208 Cylindrical Roller Bearing
Nachi
Nachi logo

Standard NJ series bearing with a steel cage, designed for applications requiring axial constraint in one direction. [Cylindrical Roller Bearings](https://www.nachi-bearings.de/media/crb_dimensions_web.pdf)

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Technical Dimensions & Load Ratings

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

Dimensions

Bore Diameter (d)40mm
Outer Diameter (D)80mm
Width (B)18mm
Weight0.38kg

Load & Speed Ratings

Dynamic Load Rating (Cr)46.5kN
Static Load Rating (C0r)46kN
Reference Speed8500rpm

Product Details

Part NumberNJ208
BrandNachi
Bearing TypeCylindrical Roller Bearing
Seal TypeOpen
MaterialChrome Steel
Stock StatusExtended Stock

Technical Datasheet

Download full specifications for NJ208 — dimensions, load ratings, and material data.

No cross-reference part numbers are recorded for NJ208. Ask our team for equivalent part numbers.
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Engineering support

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Frequently Asked Questions

What is a NJ208 bearing?

The NJ208 is a Nachi Cylindrical Roller Bearing with a 40mm bore, 80mm outer diameter and 18mm width. It is Extended Stock at Buy Bearings.

What are the NJ208 dimensions?

The NJ208 measures 40mm bore (inner diameter) × 80mm outer diameter × 18mm 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 NJ208 in stock?

The NJ208 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).

Related & Compatible Bearings

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

N208 Cylindrical Roller Bearing
N208
NTN/SNR logo
POAPrice Match
Bore
40
OD
80
Width
18
SealOpen
NTN Cylindrical Roller Bearing with Open seals measuring 40mm bore × 80mm outer diameter × 18mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
In Stock
N208 Cylindrical Roller Bearing
N208
Nachi logo
POAPrice Match
Bore
40
OD
80
Width
18
SealOpen
Cr/C0r46.5 / 46 kN
Speed8,500 rpm
Equipped with a durable steel cage, this single-row bearing features two fixed ribs on the inner ring and a smooth outer ring for heavy radial loads. [Nachi N208 Cylindrical Roller Bearing](https://hvhindustrial.com/product/31075?srsltid=AfmBOortUn6hn3EY9GsIcu4cLEoEQUaTVutzj_MEQmdkyMERcqexdHxh)
Lead Time
N208-EM-C3 Cylindrical Roller Bearing
N208-EM-C3
Schaeffler logo
POAPrice Match
Bore
40
OD
80
Width
18
SealOpen
Schaeffler Cylindrical Roller Bearing with Open seals measuring 40mm bore × 80mm outer diameter × 18mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
In Stock
N208ET2X Cylindrical Roller Bearing
N208ET2X
NTN/SNR logo
POAPrice Match
Bore
40
OD
80
Width
18
SealOpen
NTN Cylindrical Roller Bearing with Open seals measuring 40mm bore × 80mm outer diameter × 18mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
In Stock

Related Parts — Seals & Bushings

Matching seals and bushings for 40mm shaft diameter — complementary components for your bearing.

40X50X7 R23 Seals
40X50X7 R23
Unclassified
POAPrice Match
Bore
40
OD
50
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.
In Stock
40X52X7 R23 Seals
40X52X7 R23
Unclassified
POAPrice Match
Bore
40
OD
52
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.
In Stock
40X55X10 R23 Seals
40X55X10 R23
Unclassified
POAPrice Match
Bore
40
OD
55
Width
10
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.
In Stock
40X55X7 R23 Seals
40X55X7 R23
Unclassified
POAPrice Match
Bore
40
OD
55
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.
In Stock
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