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

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

Bearing 1211 K

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Specifications

Manufacturer number
GOST number
Equivalents
2 exact, 12 approximate
d
55 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
100 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
21 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
normal clearance
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Equivalents

the same size 55 × 100 × 21 from other brands

17 products
Series illustration (not a photo of this item): 1211 K
You are viewing1211 K

Everything the number specifies matches: series 12, 55 × 100 × 21 mm, open, no protection, K, normal clearance, special design.

  • Series illustration (not a photo of this item): 1211 K1211 KThis bearingno brand55 × 100 × 21available to orderon requestyou are here
  • Series illustration (not a photo of this item): 1211 K1211 KCT55 × 100 × 2125 pcs€2.76Request a quote
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 55 × 100 × 21mm

Self-aligning ball bearing 1211 K. Under GOST the same bearing is designated 111211.

Frequently asked questions

What is 111211?

It is the same bearing under GOST 3189-89: 111211 corresponds to the ISO base 1211 K. Size 55 × 100 × 21 mm, a full equivalent of 1211 K.

Will 1211 C3 fit instead?

Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

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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