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7203 B · 17 × 40 × 12

Angular contact ball · 7203 B

at an angle — medium, on one side
    Drawing of 7203 B: ⌀17 × ⌀40 × 12 mm⌀40⌀17127203 B
    Fig. 1: 7203 B, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm

    There is no photo of this product: the 3D model and drawing show the dimensions of 7203 B

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

    Bearing NACHI 7203 B

    Price on request
    Available to order
    Request a quoteIn the cart: send the request

    Specifications

    Manufacturer number
    GOST number
    Equivalents
    2 exact, 10 approximate
    d
    17 mm
    Bore diameter dBearing bore = shaft diameter. Source: supplier data
    D
    40 mm
    Outside diameter DOutside diameter = housing bore. Source: supplier data
    B
    12 mm
    Width BRing width. Source: supplier data
    Seal
    open, no protection
    01

    Equivalents

    the same size 17 × 40 × 12 from other brands

    14 products
    Series illustration (not a photo of this item): 7203 B
    You are viewingNACHI 7203 B

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

    • Series illustration (not a photo of this item): 7203 B7203 BThis bearingNACHI17 × 40 × 12available to orderon requestyou are here
    • Series illustration (not a photo of this item): 7203 B7203 Bno brand17 × 40 × 12available to orderon request
    02

    Often bought with this

    seal 17×40, shaft snap ring Ø17, bore snap ring Ø40

    6 products
    • Seal 17×40JULU 017-40-10 TCWhy it fits: Oil seal 17×40: shaft 17 and housing bore 40, the same as the bearing
      €0.28630 pcs
    • Seal 17×40JULU 017-40-7 TCWhy it fits: Oil seal 17×40: shaft 17 and housing bore 40, the same as the bearing
      €0.281,330 pcs
    • Shaft snap ring Ø17CT SEG 17 Z by1000Why it fits: DIN 471 snap ring for a 17 shaft: holds the inner ring on the shaft
      €11.51available to order
    • Shaft snap ring Ø17SEG 17 Z by 1000Why it fits: DIN 471 snap ring for a 17 shaft: holds the inner ring on the shaft
      Price to be confirmedavailable to order
    • Bore snap ring Ø40CT SEG 40 W by 1000Why it fits: DIN 472 snap ring for a 40 bore: holds the outer ring in the housing
      €37.06out of stock
    • Bore snap ring Ø40SEG 40 W by 1000Why it fits: DIN 472 snap ring for a 40 bore: holds the outer ring in the housing
      Price to be confirmedavailable to order
    03

    Details

    what this bearing is, questions

    About the bearing

    D 40d 17B 12
    d×D×Bsize 17 × 40 × 12mm

    Angular contact ball bearing 7203 B. Under GOST the same bearing is designated 66203.

    Frequently asked questions

    What is 66203?

    It is the same bearing under GOST 3189-89: 66203 corresponds to the ISO base 7203 B. Size 17 × 40 × 12 mm, a full equivalent of 7203 B.

    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.

    04

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