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Drawing of 3306 ATN9/C3: ⌀30 × ⌀72 × 30.2 mm⌀72⌀3030.23306 ATN9/C3
Fig. 1: 3306 ATN9/C3, 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 3306 ATN9/C3

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

Bearing SKF 3306 ATN9/C3

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Specifications

Manufacturer number
ISO designation
Equivalents
1 exact, 25 approximate
d
30 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
72 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
30.2 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
C3
C
41.5 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 30 × 72 × 30.2 from other brands

27 products
Series illustration (not a photo of this item): 3306 ATN9/C3
You are viewingSKF 3306 ATN9/C3

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

  • Series illustration (not a photo of this item): 3306 2RS3306 2RScontact seals on both sides, normal clearance, standard designCT30 × 72 × 30.2300 pcs€3.76Request a quote
  • Series illustration (not a photo of this item): 3306 2RS3306 2RScontact seals on both sides, normal clearance, standard designno brand30 × 72 × 30.2available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 3306 2RS3306 2RScontact seals on both sides, normal clearance, standard designCX30 × 72 × 30.2out of stockon requestRequest a quote
  • Series illustration (not a photo of this item): 3306 2RS3306 2RScontact seals on both sides, normal clearance, standard designKBS30 × 72 × 30.2out of stockon requestRequest a quote
  • Series illustration (not a photo of this item): 3306 2RS3306 2RScontact seals on both sides, normal clearance, standard designKG30 × 72 × 30.2available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 3306 2RS3306 2RScontact seals on both sides, normal clearance, standard designMTM30 × 72 × 30.2available to orderon requestRequest a quote
  • Cross-section drawing to size: Angular contact ball, 30 × 72 × 30.2 mm3306B-2RSRTNGC3contact seals on both sides, B, TNGNEUWEG30 × 72 × 30.2available to orderon requestRequest a quote
  • Type diagram, no dimensions: ball3306B-2RSRTNG N AR3N5contact seals on both sides, 5, A, B, TNG, groove for a snap ring, R3: not decodedNSK30 × 72 × ?available to orderon requestRequest a quote
  • Type diagram, no dimensions: ball3306B-2RSRTNGC3 N AR3N5contact seals on both sides, 5, A, B, TNG, groove for a snap ring, R3: not decodedNSK30 × 72 × ?available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 3306-2RSR3306-2RSRcontact seals on both sides, normal clearance, standard designNTE30 × 72 × 30.2available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

D 72d 30B 30.2
d×D×Bsize 30 × 72 × 30.2mm
Cdynamic 41.5kN

Angular contact ball bearing 3306 A C3.

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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