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Drawing of 61904: ⌀20 × ⌀37 × 9 mm61904
Fig. 1: 61904, 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 61904

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

Bearing SKF 61904

€18.31per piece
Available to orderThe manager confirms the lead time
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Specifications

Manufacturer number
GOST number
Equivalents
1 exact, 20 approximate
d
20 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
37 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
9 mm
Width BRing width. Source: two supplier sources
Seal
open, no protection
Clearance
normal clearance
C
6.37 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: two supplier sources
C0
3.65 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: two supplier sources
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Equivalents

the same size 20 × 37 × 9 from other brands

21 products
Photo: 61904
You are viewingSKF 61904
€18.31baseline for the price comparison

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

Under the price: the difference from the price of this bearing (€18.31).
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Details

what this bearing is, questions

About the bearing

D 37d 20B 9
d×D×Bsize 20 × 37 × 9mm
Cdynamic 6.37kN
C0static 3.65kN

Deep groove ball bearing 61904. Under GOST the same bearing is designated 1000904.

C, C₀: SKF data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

Frequently asked questions

What is 1000904?

It is the same bearing under GOST 3189-89: 1000904 corresponds to the ISO base 61904. Size 20 × 37 × 9 mm, a full equivalent of 61904.

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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