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Drawing of NKIB 5903: ⌀17 × ⌀30 × 18 mm⌀30⌀1718NKIB 5903
Fig. 1: NKIB 5903, end view and section; internal parts simplified per ISO 8826-1; dimensions: CX p.564 — simplified from a single catalogue. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of NKIB 5903

Load: radial high; no axial loadNeedle

Bearing INA NKIB 5903

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Specifications

Manufacturer number
Bore diameter d
17 mm
Bore diameter dSource: CX p.564
Outside diameter D
30 mm
Outside diameter DSource: CX p.564
Width (B in the data)
18 mm
Width (B in the data)Source: CX p.564
Diameter over rollers Fw
22 mm
Diameter over rollers FwSource: CX p.564
Ring width Ci (per catalogue)
18 mm
Ring width Ci (per catalogue)Source: CX p.564
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Details

what this bearing is, questions

Frequently asked questions

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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