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Drawing of 7203 CTNG: ⌀17 × ⌀40 × 12 mm⌀40⌀17127203 CTNG
Fig. 1: 7203 CTNG, 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 7203 CTNG

Combined load at an angle (angular contact), axial on one sideAngular contact ball

Bearing CT 7203 CTNG

€0.89per piece
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Specifications

Manufacturer number
ISO designation
GOST number
Equivalents
2 exact, 9 approximate
d
17 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
40 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
12 mm
Width BRing width. Source: two supplier sources
Seal
open, no protection
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Equivalents

the same size 17 × 40 × 12 from other brands

14 products
Cross-section drawing to size: Angular contact ball, 17 × 40 × 12 mm
You are viewingCT 7203 CTNG
€0.89baseline for the price comparison

Everything the number specifies matches: series 72, 17 × 40 × 12 mm, open, no protection, C, special design. The codes in the number are read against the CT catalogue.

  • Cross-section drawing to size: Angular contact ball, 17 × 40 × 12 mm7203 CTNGThis bearingCT17 × 40 × 12available to order€0.89you are here
  • Series illustration (not a photo of this item): 7203C7203CCT17 × 40 × 12available to orderon requestRequest a quote

Under the price: the difference from the price of this bearing (€0.89).
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Details

what this bearing is, questions

About the bearing

D 40d 17B 12
d×D×Bsize 17 × 40 × 12mm

Angular contact ball bearing 7203 C. Under GOST the same bearing is designated 36203.

Frequently asked questions

What is 36203?

It is the same bearing under GOST 3189-89: 36203 corresponds to the ISO base 7203 C. Size 17 × 40 × 12 mm, a full equivalent of 7203 C.

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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