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61903 ZZ · 17 × 30 × 7

Deep groove ball · 61903 ZZ

radial — mediumaxial — low, on both sides
    Drawing of 61903 ZZ: ⌀17 × ⌀30 × 7 mm61903 ZZZZ
    Fig. 1: 61903 ZZ, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm

    There is no photo of this product: the 3D model and drawing show the dimensions of 61903 ZZ

    Load: radial medium; axial low, on both sidesDeep groove ball

    Bearing 61903 ZZ

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

    Specifications

    Manufacturer number
    ISO designation
    Equivalents
    5 exact, 15 approximate
    d
    17 mm
    Bore diameter dBearing bore = shaft diameter. Source: supplier data
    D
    30 mm
    Outside diameter DOutside diameter = housing bore. Source: supplier data
    B
    7 mm
    Width BRing width. Source: supplier data
    Seal
    ZZshields, both sides
    Clearance
    normal clearance
    01

    Equivalents

    the same size 17 × 30 × 7 from other brands

    20 products
    Series illustration (not a photo of this item): 61903 ZZ
    You are viewing61903 ZZ

    Everything the number specifies matches: series 619, 17 × 30 × 7 mm, metal shields on both sides, normal clearance, ordinary steel, design without special letters.

    • Series illustration (not a photo of this item): 61903 ZZ61903 ZZThis bearingno brand17 × 30 × 7available to orderon requestyou are here
    • Series illustration (not a photo of this item): 6903 / 61903 ZZ6903 / 61903 ZZCT17 × 30 × 7495 pcs€0.46
    • Photo: 61903-2Z61903-2ZSKF17 × 30 × 7available to order€10.41
    • Series illustration (not a photo of this item): 6903 ZZ6903 ZZCT17 × 30 × 7available to orderon request
    • Series illustration (not a photo of this item): 6903 ZZ6903 ZZKG17 × 30 × 7available to orderon request
    02

    Often bought with this

    shaft snap ring Ø17, bore snap ring Ø30, seal 17×30

    5 products
    • 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 Ø30CT SEG 30 W by 1000Why it fits: DIN 472 snap ring for a 30 bore: holds the outer ring in the housing
      €29.25available to order
    • Seal 17×30JULU 017-30-7 TCWhy it fits: Oil seal 17×30: shaft 17 and housing bore 30, the same as the bearing; the bearing has its own seals (ZZ), and the oil seal closes the unit from outside
      €0.181,310 pcs
    • Seal 17×30JULU 017-30-6 TCWhy it fits: Oil seal 17×30: shaft 17 and housing bore 30, the same as the bearing; the bearing has its own seals (ZZ), and the oil seal closes the unit from outside
      Price to be confirmedavailable to order
    03

    Details

    what this bearing is, questions

    About the bearing

    D 30d 17B 7
    d×D×Bsize 17 × 30 × 7mm

    Deep groove ball bearing 61903-ZZ, design ZZ: metal shields on both sides.

    Frequently asked questions

    How does 2RS differ from ZZ?

    2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

    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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