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Drawing of NUP309N: ⌀45 × ⌀100 × 25 mm⌀100⌀4525NUP309N
Fig. 1: NUP309N, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of NUP309N

Load: radial high; axial low, on both sidesCylindrical roller NUP

Bearing CT NUP309N

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Specifications

Manufacturer number
Equivalents
5 exact, 37 approximate
d
45 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
100 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
25 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
normal clearance
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Equivalents

the same size 45 × 100 × 25 from other brands

43 products
Series illustration (not a photo of this item): NUP309N
You are viewingCT NUP309N

Size and design match across the brand catalogues. The codes in the number are read against the CT catalogue.
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 45 × 100 × 25mm

Cylindrical roller NUP bearing NUP309N.

Frequently asked questions

Will 309 C3 fit instead?

Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

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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