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Drawing of 23056 MBW33: ⌀280 × ⌀420 × 106 mm⌀420⌀28010623056 MBW33
Fig. 1: 23056 MBW33, 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 23056 MBW33

Load: radial high; axial medium, on both sidesSpherical roller

Bearing KG 23056 MBW33

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Specifications

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

the same size 280 × 420 × 106 from other brands

5 products
Cross-section drawing to size: Spherical roller, 280 × 420 × 106 mm
You are viewingKG 23056 MBW33

Everything the number specifies matches: series 230, 280 × 420 × 106 mm, open, no protection, normal clearance, special design. The codes in the number are read against the KG catalogue.

  • Cross-section drawing to size: Spherical roller, 280 × 420 × 106 mm23056 MBW33This bearingKG280 × 420 × 106available to orderon requestyou are here
  • Cross-section drawing to size: Spherical roller, 280 × 420 × 106 mm23056 MBW33NTE280 × 420 × 106available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 280 × 420 × 106mm

Spherical roller bearing 23056. Under GOST the same bearing is designated 3003156.

Frequently asked questions

What is 3003156?

It is the same bearing under GOST 3189-89: 3003156 corresponds to the ISO base 23056. Size 280 × 420 × 106 mm, a full equivalent of 23056.

Will 23056 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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