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Drawing of W 61903 2RS1: ⌀17 × ⌀30 × 7 mmW 61903 2RS12RS1
Fig. 1: W 61903 2RS1, 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 W 61903-2RS1

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

Bearing SKF W 61903-2RS1

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Specifications

Manufacturer number
ISO designation
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
2RS1contact seals on both sides
Clearance
normal clearance
01

Details

what this bearing is, questions

About the bearing

D 30d 17B 7
d×D×Bsize 17 × 30 × 7mm

Deep groove ball bearing 61903-2RS SS, design 2RS1: contact seals 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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