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Simplified drawing of the bearing per ISO 8826-1, dimensions of 31308 J2: ⌀40 × ⌀90 × 23 mm⌀90⌀402331308 J2
Fig. 1: 31308 J2, simplified drawing per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 31308 J2

Combined load at an angle (tapered, high), axial on one sideTapered roller

Bearing SKF 31308 J2

Price on request
Available to order
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Specifications

Manufacturer number
Equivalents
1 exact, 12 approximate
d
40 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
90 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
23 mm
Width BRing width. Source: supplier data
Cup width C
17 mm
Cup width CWidth of the outer ring of a tapered roller bearing. Source: supplier data
m
0.72 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 40 × 90 × 23 from other brands

21 products
Photo: 31308 J2
You are viewingSKF 31308 J2

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

  • Series illustration (not a photo of this item): 3030830308different series: 30308CT40 × 90 × 231,172 pcs€4.14
  • Series illustration (not a photo of this item): 3030830308different series: 30308NTE40 × 90 × 2336 pcs€5.69
  • Photo: 30308 JR30308 JRJR: not decodedKoyo40 × 90 × ?49 pcs€20
  • Photo: 30308 A30308 Adifferent series: 30308Z&S40 × 90 × 23available to order€6.52
  • Photo: 3030830308different series: 30308GPZ40 × 90 × 23available to order€12.95
  • Photo: 30308 J230308 J2J2: not decodedSKF40 × 90 × 23available to order€14.62
  • Series illustration (not a photo of this item): 3030830308different series: 30308no brand40 × 90 × 23available to orderon request
  • Photo: 3030830308different series: 30308FLT40 × 90 × 23out of stockon request
  • Series illustration (not a photo of this item): 3030830308different series: 30308ISB40 × 90 × 23available to orderon request
  • Series illustration (not a photo of this item): 3030830308different series: 30308KG40 × 90 × 23available to orderon request
02

Often bought with this

seal 40×90, shaft snap ring Ø40, bore snap ring Ø90

6 products
  • Seal 40×90JULU 040-90-10 TCWhy it fits: Oil seal 40×90: shaft 40 and housing bore 90, the same as the bearing
    €0.73400 pcs
  • Seal 40×90JULU 040-90-12 TCWhy it fits: Oil seal 40×90: shaft 40 and housing bore 90, the same as the bearing
    Price to be confirmedavailable to order
  • Shaft snap ring Ø40CT SEG 40 Z by 1000Why it fits: DIN 471 snap ring for a 40 shaft: holds the inner ring on the shaft
    €54.16available to order
  • Shaft snap ring Ø40SEG 40 Z (100 pcs)Why it fits: DIN 471 snap ring for a 40 shaft: holds the inner ring on the shaft
    Price to be confirmedavailable to order
  • Bore snap ring Ø90CT SEG 90 W by 100Why it fits: DIN 472 snap ring for a 90 bore: holds the outer ring in the housing
    €23.89available to order
  • Bore snap ring Ø90SEG 90 W by 1000Why it fits: DIN 472 snap ring for a 90 bore: holds the outer ring in the housing
    Price to be confirmedavailable to order
03

Details

what this bearing is, questions

About the bearing

d×D×Bsize 40 × 90 × 23mm
mweight 0.72kg

Tapered roller bearing 31308 J2.

M: 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.

04

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