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Drawing of 51111: ⌀55 × ⌀78 × 16 mm⌀78⌀551651111
Fig. 1: 51111, 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 51111

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

Bearing FLT 51111

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Specifications

Manufacturer number
GOST number
Equivalents
8 exact, 2 approximate
d
55 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
78 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
H
16 mm
Height HMounting height: the distance between the seating faces of the washers of an assembled thrust bearing (ISO 104). Source: supplier data
m
0.23 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 55 × 78 × 16 from other brands

10 products
Series illustration (not a photo of this item): 51111
You are viewingFLT 51111

Everything the number specifies matches: series 511, 55 × 78 × 16 mm, ordinary steel, design without special letters. The codes in the number are read against the FLT catalogue.
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Details

what this bearing is, questions

About the bearing

d×D×Hsize 55 × 78 × 16mm
mweight 0.23kg

Thrust ball bearing 51111. Under GOST the same bearing is designated 8111.

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

Frequently asked questions

What is 8111?

It is the same bearing under GOST 3189-89: 8111 corresponds to the ISO base 51111. Size 55 × 78 × 16 mm, a full equivalent of 51111.

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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