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Drawing of 2308 E-2RS1TN9: ⌀40 × ⌀90 × 33 mm⌀90⌀40332308 E-2RS1TN92RS1
Fig. 1: 2308 E-2RS1TN9, 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 2308 E-2RS1TN9

Load: radial medium; axial low, on both sidesSelf-aligning ball

Bearing SKF 2308 E-2RS1TN9

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Specifications

Manufacturer number
ISO designation
Equivalents
1 exact, 18 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
33 mm
Width BRing width. Source: supplier data
Seal
2RS1contact seals on both sides
Clearance
normal clearance
C
33.8 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 × 33 from other brands

19 products
Cross-section drawing to size: Self-aligning ball, 40 × 90 × 33 mm
You are viewingSKF 2308 E-2RS1TN9

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

  • Series illustration (not a photo of this item): 23082308open, no protection, standard designCT40 × 90 × 3315 pcs€5.01Request a quote
  • Photo: 23082308open, no protection, standard designM.G.M.40 × 90 × 33available to order€13.03Request a quote
  • Cross-section drawing to size: Self-aligning ball, 40 × 90 × 33 mm2308 TNopen, no protection, TNCT40 × 90 × 33available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 40 × 90 × 33 mm2308 TNC3open, no protection, clearance C3, TNCT40 × 90 × 33available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 40 × 90 × 33 mm2308 TVH-C3open, no protection, clearance C3, TVHFAG40 × 90 × 33available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 23082308open, no protection, standard designKG40 × 90 × 33available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 23082308open, no protection, standard designNSK40 × 90 × 33available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 40 × 90 × 33 mm2308 TNGC3open, no protection, clearance C3, TNGNSK40 × 90 × 33available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 40 × 90 × 33 mm2308 EMopen, no protectionSKF40 × 90 × 33available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 40 × 90 × 33 mm2308 EM/C3open, no protection, clearance C3SKF40 × 90 × 33available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 40 × 90 × 33mm
Cdynamic 33.8kN

Self-aligning ball bearing 2308-2RS, design 2RS1: contact seals on both sides.

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

Frequently asked questions

How does 2RS differ from ZZ?

2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

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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