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Drawing of 623: ⌀3 × ⌀10 × 4 mm623
Fig. 1: 623, 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 623

Load: radial medium; axial low, on both sidesDeep groove ball

Bearing SKF 623

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Specifications

Manufacturer number
GOST number
d
3 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
10 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
4 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
normal clearance
C
0.54 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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Details

what this bearing is, questions

About the bearing

D 10d 3B 4
d×D×Bsize 3 × 10 × 4mm
Cdynamic 0.54kN

Deep groove ball bearing 623. Under GOST the same bearing is designated 23.

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

Frequently asked questions

What is 23?

It is the same bearing under GOST 3189-89: 23 corresponds to the ISO base 623. Size 3 × 10 × 4 mm, a full equivalent of 623.

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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