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Drawing of 31311: ⌀55 × ⌀120 × 31.5 mm⌀120⌀55T 31.5α31311
Fig. 1: 31311, 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 31311

Combined load at an angle (tapered, high), axial on one sideTapered roller

Bearing TIMKEN 31311

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Specifications

Manufacturer number
GOST number
Equivalents
5 exact, 8 approximate
d
55 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
120 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
T
31.5 mm
Total width TOverall width of an assembled tapered roller bearing. Source: supplier data
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Equivalents

the same size 55 × 120 × 31.5 from other brands

14 products
Series illustration (not a photo of this item): 31311
You are viewingTIMKEN 31311

Everything the number specifies matches: series 313, 55 × 120 mm, ordinary steel, design without special letters. The codes in the number are read against the TIMKEN catalogue.

  • Series illustration (not a photo of this item): 3131131311This bearingTIMKEN55 × 120 × ?available to orderon requestyou are here
  • Cross-section drawing to size: Tapered roller, 55 × 120 × T 31.5 mm31311CT55 × 120 × ?46 pcs€6.88Request a quote
  • Cross-section drawing to size: Tapered roller, 55 × 120 × T 31.5 mm31311no brand55 × 120 × ?available to orderon requestRequest a quote
  • Cross-section drawing to size: Tapered roller, 55 × 120 × T 31.5 mm31311NTE55 × 120 × ?available to orderon requestRequest a quote
  • Cross-section drawing to size: Tapered roller, 55 × 120 × T 31.5 mm31311SKF55 × 120 × ?available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

d×D×Tsize 55 × 120 × 31.5mm

Tapered roller bearing 31311. Under GOST the same bearing is designated 27311.

Frequently asked questions

What is 27311?

It is the same bearing under GOST 3189-89: 27311 corresponds to the ISO base 31311. Size 55 × 120 × 31.5 mm, a full equivalent of 31311.

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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