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Drawing of 3308 ATN9: ⌀40 × ⌀90 × 36.5 mm⌀90⌀4036.53308 ATN9
Fig. 1: 3308 ATN9, 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 3308 ATN9

Combined load at an angle (angular contact), axial on one sideAngular contact ball

Bearing SKF 3308 ATN9

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Specifications

Manufacturer number
ISO designation
Equivalents
1 exact, 13 approximate
d
40 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
90 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
36.5 mm
Width BRing width. Source: supplier data
Seal
open, no protection
C
64 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
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Equivalents

the same size 40 × 90 × 36.5 from other brands

14 products
Series illustration (not a photo of this item): 3308 ATN9
You are viewingSKF 3308 ATN9

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

  • Cross-section drawing to size: Angular contact ball, 40 × 90 × 36.5 mm3308 2RS TNGcontact seals on both sides, TNGCT40 × 90 × 36.591 pcs€4.67Request a quote
  • Series illustration (not a photo of this item): 3308 2RS3308 2RScontact seals on both sides, standard designCT40 × 90 × 36.556 pcs€6.80Request a quote
  • Photo: 3308 2RS3308 2RScontact seals on both sides, standard designZ&S40 × 90 × 36.5available to order€17.59Request a quote
  • Series illustration (not a photo of this item): 3308 2RS3308 2RScontact seals on both sides, standard designno brand40 × 90 × 36.5available to orderon requestRequest a quote
  • Cross-section drawing to size: Angular contact ball, 40 × 90 × 36.5 mm3308B-2RSRTNGcontact seals on both sides, B, TNGNEUWEG40 × 90 × 36.5available to orderon requestRequest a quote
  • Cross-section drawing to size: Angular contact ball, 40 × 90 × 36.5 mm3308B-2RSRTNGC3contact seals on both sides, clearance C3, B, TNGNEUWEG40 × 90 × 36.5available to orderon requestRequest a quote
  • Type diagram, no dimensions: ball3308B-2RSRTNG N AR3N5contact seals on both sides, 5, A, B, TNG, groove for a snap ring, R3: not decodedNSK40 × 90 × ?available to orderon requestRequest a quote
  • Type diagram, no dimensions: ball3308B-2RSRTNGC3 N AR3N5contact seals on both sides, clearance C3, 5, A, B, TNG, groove for a snap ring, R3: not decodedNSK40 × 90 × ?available to orderon requestRequest a quote
  • Type diagram, no dimensions: ball3308 BD 2Z TVH C3metal shields on both sides, clearance C3, TVH, BD: not decodedFAG40 × 90 × ?available to orderon requestRequest a quote
  • Cross-section drawing to size: Angular contact ball, 40 × 90 × 36.5 mm3308 A-2ZTN9/C3VT113metal shields on both sides, clearance C3, different cage, A, VT113SKF40 × 90 × 36.5available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

D 90d 40B 36.5
d×D×Bsize 40 × 90 × 36.5mm
Cdynamic 64kN

Angular contact ball bearing 3308 A.

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.

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