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Drawing of NN 3021 KTN9/SPW33: ⌀105 × ⌀160 mm⌀160⌀105NN 3021 KTN9/SPW33
Fig. 1: NN 3021 KTN9/SPW33, end view and section; internal parts simplified per ISO 8826-1; width not specified — outline drawn to the proportions of the type. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of NN 3021 KTN9/SPW33

Load: radial high; no axial loadCylindrical roller

Bearing SKF NN 3021 KTN9/SPW33

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Specifications

Manufacturer number
d
105 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
160 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
Seal
open, no protection
Clearance
normal clearance
C
190 kN
Basic dynamic load rating CLoad for one million revolutions at 90 % reliability; the L10 life is calculated from it as (C/P)^p. ISO method, manufacturer’s figure: do not carry it over to another brand. Source: supplier data
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 105 × 160mm
Cdynamic 190kN

Cylindrical roller bearing NN 3021 KTN9/SPW33.

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

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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