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Drawing of 1211: ⌀55 × ⌀100 × 21 mm⌀100⌀55211211
Fig. 1: 1211, 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 1211

Load: radial medium; axial low, on both sidesSelf-aligning ball

Bearing CT 1211

€2.46per piece
In stock: 444 pcs
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Specifications

Manufacturer number
Equivalents
4 exact, 11 approximate
d
55 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
100 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
21 mm
Width BRing width. Source: two supplier sources
Seal
open, no protection
Clearance
normal clearance
C
27.6 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
10.6 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
m
0.71 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 55 × 100 × 21 from other brands

15 products
Series illustration (not a photo of this item): 1211
You are viewingCT 1211
€2.46baseline for the price comparison

Everything the number specifies matches: series 12, 55 × 100 × 21 mm, open, no protection, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the CT catalogue.

  • Series illustration (not a photo of this item): 12111211This bearingCT55 × 100 × 21444 pcs€2.46you are here
  • Photo: 12111211Z&S55 × 100 × 21available to order€10.17+€7.71Request a quote
  • Photo: 12111211ZKL55 × 100 × 21available to order€10.28+€7.82Request a quote
  • Series illustration (not a photo of this item): 12111211KG55 × 100 × 21available to orderon requestRequest a quote

Under the price: the difference from the price of this bearing (€2.46).
02

Details

what this bearing is, questions

About the bearing

d×D×Bsize 55 × 100 × 21mm
Cdynamic 27.6kN
C0static 10.6kN
mweight 0.71kg

Self-aligning ball bearing 1211. Under GOST the same bearing is designated 1211.

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

Frequently asked questions

What is 1211?

It is the same bearing under GOST 3189-89: 1211 corresponds to the ISO base 1211. Size 55 × 100 × 21 mm, a full equivalent of 1211.

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.

03

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