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Simplified drawing of the bearing per ISO 8826-1, dimensions of 6304 2ZR: ⌀20 × ⌀52 × 15 mm⌀52⌀20156304 2ZR2Z
Fig. 1: 6304 2ZR, simplified drawing per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6304 2ZR

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

Bearing FAG 6304 2ZR

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Specifications

Manufacturer number
Equivalents
1 exact, 42 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
2Zmetal shields on both sides
C
18.8 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
C0
7.8 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
01

Equivalents

the same size 20 × 52 × 15 from other brands

53 products
Cross-section drawing to size: Deep groove ball, 20 × 52 × 15 mm
You are viewingFAG 6304 2ZR

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 52d 20B 15
d×D×Bsize 20 × 52 × 15mm
Cdynamic 18.8kN
C0static 7.8kN

Deep groove ball bearing 6304 2ZR, design 2Z: metal shields on both sides.

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

Frequently asked questions

How does 2RS differ from ZZ?

2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

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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