Drawing of 6309/C4: ⌀45 × ⌀100 × 25 mm6309/C4
Fig. 1: 6309/C4, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6309/C4

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

Bearing SKF 6309/C4

Price on request
Available to order

Specifications

Manufacturer number
ISO designation
d
45 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
100 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
25 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
C4
C
55.3 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 45 × 100 × 25 from other brands

63 products
Series illustration (not a photo of this item): 6309/C4
You are viewingSKF 6309/C4

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

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Details

what this bearing is, questions

About the bearing

D 100d 45B 25
d×D×Bsize 45 × 100 × 25mm
Cdynamic 55.3kN

Deep groove ball bearing 6309 C4.

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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