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Drawing of 2308: ⌀40 × ⌀90 × 33 mm⌀90⌀40332308
Fig. 1: 2308, 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

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

Bearing NSK 2308

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Specifications

Manufacturer number
GOST number
Equivalents
4 exact, 15 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
open, no protection
Clearance
normal clearance
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Equivalents

the same size 40 × 90 × 33 from other brands

19 products
Series illustration (not a photo of this item): 2308
You are viewingNSK 2308

Everything the number specifies matches: series 23, 40 × 90 × 33 mm, open, no protection, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the NSK catalogue.

  • Series illustration (not a photo of this item): 23082308This bearingNSK40 × 90 × 33available to orderon requestyou are here
  • Series illustration (not a photo of this item): 23082308CT40 × 90 × 3315 pcs€5.01Request a quote
  • Photo: 23082308M.G.M.40 × 90 × 33available to order€13.03Request a quote
  • Series illustration (not a photo of this item): 23082308KG40 × 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

Self-aligning ball bearing 2308. Under GOST the same bearing is designated 1608.

Frequently asked questions

What is 1608?

It is the same bearing under GOST 3189-89: 1608 corresponds to the ISO base 2308. Size 40 × 90 × 33 mm, a full equivalent of 2308.

Will 2308 C3 fit instead?

Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

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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