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Drawing of 62304 2RS: ⌀20 × ⌀52 × 21 mm62304 2RS2RS
Fig. 1: 62304 2RS, 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 62304 2RS

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

Bearing Z&S 62304 2RS

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Specifications

Manufacturer number
ISO designation
OEM number
804581.1, 807999.0
Equivalents
7 exact, 1 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
21 mm
Width BRing width. Source: two supplier sources
Seal
2RSrubber, both sides
Clearance
normal clearance
C0
15.9 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
Limiting speed
9,500 rpm
Limiting speedMechanical limit; depends on the seal (SKF 6200: 36,000 open, 17,000 with 2RSH). Source: supplier data
m
0.2 kg
MassWeight of the product. Source: supplier data
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Equivalents

the same size 20 × 52 × 21 from other brands

8 products
Photo: 62304 2RS
You are viewingZ&S 62304 2RS

Everything the number specifies matches: series 623, 20 × 52 × 21 mm, contact seals on both sides, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the Z&S catalogue.
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Details

what this bearing is, questions

About the bearing

D 52d 20B 21
d×D×Bsize 20 × 52 × 21mm
C0static 15.9kN
mweight 0.2kg

Deep groove ball bearing 62304-2RS, design 2RS: contact seals on both sides.

C₀, m and limiting speed 9,500 rpm: Z&S 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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