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Drawing of 6304: ⌀20 × ⌀52 × 15 mm6304
Fig. 1: 6304, 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 6304

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

Bearing SKF 6304

€3.17per piece
Available to orderThe manager confirms the lead time
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Specifications

Manufacturer number
GOST number
Equivalents
5 exact, 46 approximate
d
20 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
52 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
15 mm
Width BRing width. Source: two supplier sources
Seal
open, no protection
Clearance
normal clearance
C0
7.8 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 × 52 × 15 from other brands

53 products
Photo: 6304
You are viewingSKF 6304
€3.17baseline for the price comparison

Everything the number specifies matches: series 63, 20 × 52 × 15 mm, open, no protection, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the SKF catalogue.

  • Photo: 63046304This bearingSKF20 × 52 × 15available to order€3.17you are here
  • Series illustration (not a photo of this item): 63046304CT20 × 52 × 151,182 pcs€0.62−€2.55Request a quote
  • Series illustration (not a photo of this item): 63046304FAG20 × 52 × 15available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 63046304KG20 × 52 × 15available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 63046304NTE20 × 52 × 15available to orderon requestRequest a quote

Under the price: the difference from the price of this bearing (€3.17).
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Details

what this bearing is, questions

About the bearing

D 52d 20B 15
d×D×Bsize 20 × 52 × 15mm
C0static 7.8kN

Deep groove ball bearing 6304. Under GOST the same bearing is designated 304.

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

Frequently asked questions

What is 304?

It is the same bearing under GOST 3189-89: 304 corresponds to the ISO base 6304. Size 20 × 52 × 15 mm, a full equivalent of 6304.

Will 6304 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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