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634-ZZ · 4 × 16 × 5

Deep groove ball · 634 ZZ

radial — mediumaxial — low, on both sides
    Drawing of 634 ZZ: ⌀4 × ⌀16 × 5 mm634 ZZZZ
    Fig. 1: 634 ZZ, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm
    Bearing SKF 634 ZZ — photo 1
    Load: radial medium; axial low, on both sidesDeep groove ball

    Bearing SKF 634-ZZ

    €9.10per piece incl. VAT
    Available to orderThe manager confirms the lead time
    In the cart

    Specifications

    Manufacturer number
    ISO designation
    Equivalents
    2 exact, 0 approximate
    d
    4 mm
    Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
    D
    16 mm
    Outside diameter DOutside diameter = housing bore. Source: two supplier sources
    B
    5 mm
    Width BRing width. Source: two supplier sources
    Seal
    ZZshields, both sides
    Clearance
    normal clearance
    m
    0.0054 kg
    MassWeight of the product. Source: supplier data
    01

    Equivalents

    the same size 4 × 16 × 5 from other brands

    2 products
    Photo: 634 ZZ
    You are viewingSKF 634-ZZ
    €9.10baseline for the price comparison

    Everything the number specifies matches: ordinary steel, design without special letters. The codes in the number are read against the SKF catalogue.

    • Photo: 634 ZZ634 ZZThis bearingSKF4 × 16 × 5available to order€9.10you are here
    • Series illustration (not a photo of this item): 634 ZZ634 ZZCT4 × 16 × 52,000 pcs€0.28−€8.82

    Under the price: the difference from the price of this bearing (€9.10).
    02

    Often bought with this

    shaft snap ring Ø4, bore snap ring Ø16

    2 products
    • Shaft snap ring Ø4CT SEG 4 Z by1000Why it fits: DIN 471 snap ring for a 4 shaft: holds the inner ring on the shaft
      €5.37available to order
    • Bore snap ring Ø16CT SEG 16 W by 1000Why it fits: DIN 472 snap ring for a 16 bore: holds the outer ring in the housing
      €8.242 pcs
    03

    Details

    what this bearing is, questions

    About the bearing

    D 16d 4B 5
    d×D×Bsize 4 × 16 × 5mm
    mweight 0.0054kg

    Deep groove ball bearing 634-ZZ, design ZZ: metal shields on both sides.

    M: SKF data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

    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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