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Drawing of 51304: ⌀20 × ⌀47 × 18 mm⌀47⌀201851304
Fig. 1: 51304, 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 51304

Load: no radial load; axial medium, on one sideThrust ball

Bearing NSK 51304

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Specifications

Manufacturer number
d
20 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
47 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
H
18 mm
Height HMounting height: the distance between the seating faces of the washers of an assembled thrust bearing (ISO 104). Source: two supplier sources
m
0.15 kg
MassWeight of the product. Source: two supplier sources
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Details

what this bearing is, questions

About the bearing

d×D×Hsize 20 × 47 × 18mm
mweight 0.15kg

Thrust ball bearing 51304.

M: NSK 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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