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Drawing of NJ 203 ECP: ⌀17 × ⌀40 × 12 mm⌀40⌀1712NJ 203 ECP
Fig. 1: NJ 203 ECP, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of NJ 203 ECP

Load: radial high; axial low, on one sideCylindrical roller NJ

Bearing SKF NJ 203 ECP

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Specifications

Manufacturer number
Equivalents
0 exact, 5 approximate
d
17 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
40 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
12 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
normal clearance
C
17.2 kN
Basic dynamic load rating CLoad for one million revolutions at 90 % reliability; the L10 life is calculated from it as (C/P)^p. ISO method, manufacturer’s figure: do not carry it over to another brand. Source: supplier data
01

Equivalents

the same size 17 × 40 × 12 from other brands

6 products
Series illustration (not a photo of this item): NJ 203 ECP
You are viewingSKF NJ 203 ECP

Same size, different design: the difference is written in the row.

  • Photo: NU 203NU 203different designDKF17 × 40 × 12available to order€10.28Request a quote
  • Cross-section drawing to size: Cylindrical roller NU, 17 × 40 × 12 mmNU 203 E-XL-M1A-S1-C3clearance C3, E, M1A, S1, XLFAG17 × 40 × 12available to orderon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller N, 17 × 40 × 12 mmN 203 WWNSK17 × 40 × 12available to orderon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller NU, 17 × 40 × 12 mmNU 203different designno brand17 × 40 × 12available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): NU 203 ECPNU 203 ECPdifferent designSKF17 × 40 × 12available to orderon requestRequest a quote
02

Details

what this bearing is, questions

About the bearing

d×D×Bsize 17 × 40 × 12mm
Cdynamic 17.2kN

Cylindrical roller NJ bearing NJ 203 ECP.

C: SKF data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

Frequently asked questions

Can I fit another brand instead of this bearing?

Without checking, only an exact equivalent: the size, seal, clearance and design match according to the brand’s catalogue. Positions with the same geometry differ in seal, clearance or design, and each one says so in the equivalents block. Load ratings differ between manufacturers, so for a heavily loaded unit compare C.

How do I get a price and a lead time?

Press “Request a quote” and send the part number and quantity. We reply with the price, availability and delivery terms for your country.

03

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