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Simplified drawing of the bearing per ISO 8826-1, dimensions of 6904DDUCM D NS7S5: ⌀20 × ⌀37 × 9 mm⌀37⌀2096904DDUCM D NS7S5D
Fig. 1: 6904DDUCM D NS7S5, simplified drawing per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6904DDUCM D NS7S5

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

Bearing NSK 6904DDUCM D NS7S5

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Specifications

Manufacturer number
ISO designation
Equivalents
1 exact, 20 approximate
d
20 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
37 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
9 mm
Width BRing width. Source: supplier data
Seal
Dcontact seal on one side
Clearance
CM
01

Equivalents

the same size 20 × 37 × 9 from other brands

22 products
Cross-section drawing to size: Deep groove ball, 20 × 37 × 9 mm
You are viewingNSK 6904DDUCM D NS7S5

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

  • Series illustration (not a photo of this item): 6904 / 61904 2RS.6904 / 61904 2RS.contact seals on both sides, normal clearance, standard designCT20 × 37 × 95,542 pcs€0.30Request a quote
  • Series illustration (not a photo of this item): 6904 2RS6904 2RScontact seals on both sides, normal clearance, standard designKoyo20 × 37 × 935 pcs€6.67Request a quote
  • Photo: 61904-2RS161904-2RS1contact seals on both sides, normal clearance, standard designSKF20 × 37 × 940 pcs€9.68Request a quote
  • Series illustration (not a photo of this item): 61904 2RS61904 2RScontact seals on both sides, normal clearance, standard designno brand20 × 37 × 9available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 6904 2RS6904 2RScontact seals on both sides, normal clearance, standard designno brand20 × 37 × 9available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 6904 2RS6904 2RScontact seals on both sides, normal clearance, standard designCT20 × 37 × 9available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 61904 2RS61904 2RScontact seals on both sides, normal clearance, standard designCT20 × 37 × 9available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 6904 2RS6904 2RScontact seals on both sides, normal clearance, standard designKG20 × 37 × 9available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 6904 2NSE6904 2NSEcontact seals on both sides, normal clearance, standard designNACHI20 × 37 × 9available to orderon requestRequest a quote
  • Drawing: 61904-2RS1/W6461904-2RS1/W64contact seals on both sides, normal clearance, W64SKF20 × 37 × 9available to orderon requestRequest a quote
02

Details

what this bearing is, questions

About the bearing

D 37d 20B 9
d×D×Bsize 20 × 37 × 9mm

Deep groove ball bearing 6904-RS, design D: contact seal on one side.

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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