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Drawing of 6918ZZ/2AS: ⌀90 × ⌀125 × 18 mm6918ZZ/2ASZZ
Fig. 1: 6918ZZ/2AS, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6918ZZ/2AS

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

Bearing NTN 6918ZZ/2AS

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Specifications

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

the same size 90 × 125 × 18 from other brands

6 products
Drawing: 6918ZZ/2AS
You are viewingNTN 6918ZZ/2AS

Same size, different design: the difference is written in the row.

  • Series illustration (not a photo of this item): 6918 / 61918 2RS6918 / 61918 2RScontact seals on both sides, standard designCT90 × 125 × 18200 pcs€5.73Request a quote
  • Photo: 61918 2RS61918 2RScontact seals on both sides, standard designNTN90 × 125 × 18available to order€120.11Request a quote
  • Series illustration (not a photo of this item): 6918 2RS6918 2RScontact seals on both sides, standard designno brand90 × 125 × 18available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 6191861918open, no protection, standard designSKF90 × 125 × 18available to orderon requestRequest a quote
  • Drawing: 61918 C361918 C3open, no protection, clearance C3, standard designZEN90 × 125 × 18available to orderon requestRequest a quote
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Details

what this bearing is, questions

About the bearing

D 125d 90B 18
d×D×Bsize 90 × 125 × 18mm

Deep groove ball bearing 6918-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.

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