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Drawing of 1211 ETN9: ⌀55 × ⌀100 × 21 mm⌀100⌀55211211 ETN9
Fig. 1: 1211 ETN9, 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 ETN9

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

Bearing SKF 1211 ETN9

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Specifications

Manufacturer number
ISO designation
GOST number
Equivalents
1 exact, 14 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
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
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Equivalents

the same size 55 × 100 × 21 from other brands

15 products
Series illustration (not a photo of this item): 1211 ETN9
You are viewingSKF 1211 ETN9

Same size, different design: the difference is written in the row.

  • Series illustration (not a photo of this item): 12111211standard designCT55 × 100 × 21444 pcs€2.46Request a quote
  • Series illustration (not a photo of this item): 1211 K1211 K1:12 tapered boreCT55 × 100 × 2125 pcs€2.76Request a quote
  • Photo: 12111211standard designZ&S55 × 100 × 21available to order€10.17Request a quote
  • Photo: 12111211standard designZKL55 × 100 × 21available to order€10.28Request a quote
  • Photo: 1211 K TVC31211 K TVC3clearance C3, TV, 1:12 tapered boreFAG55 × 100 × 21available to order€32.90Request a quote
  • Series illustration (not a photo of this item): 1211 K1211 K1:12 tapered boreno brand55 × 100 × 21available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 55 × 100 × 21 mm1211K+H2111:12 tapered bore, H211: not decodedCT55 × 100 × 21available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 55 × 100 × 21 mm1211 KTNTN, 1:12 tapered boreCT55 × 100 × 21available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 55 × 100 × 21 mm1211 K-TVHTVH, 1:12 tapered boreFAG55 × 100 × 21available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 12111211standard designKG55 × 100 × 21available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 55 × 100 × 21mm
Cdynamic 27.6kN

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

C: SKF 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.

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