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Drawing of 1309 TNC3: ⌀45 × ⌀100 × 25 mm⌀100⌀45251309 TNC3
Fig. 1: 1309 TNC3, 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 1309 TNC3

Load: radial medium; axial low, on both sidesSelf-aligning ball

Bearing CT Malaysia 1309 TNC3

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Specifications

Manufacturer number
ISO designation
Equivalents
1 exact, 20 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
C3
C
39 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
C0
13.4 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
m
0.96 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 45 × 100 × 25 from other brands

21 products
Series illustration (not a photo of this item): 1309 TNC3
You are viewingCT 1309 TNC3

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

  • Series illustration (not a photo of this item): 13091309normal clearance, standard designCT45 × 100 × 25286 pcs€4.58Request a quote
  • Series illustration (not a photo of this item): 1309 KC31309 KC31:12 tapered boreKoyo45 × 100 × 2520 pcs€28.86Request a quote
  • Photo: 13091309normal clearance, standard designNEU45 × 100 × 25available to order€8.21Request a quote
  • Photo: 13091309normal clearance, standard designURB45 × 100 × 25available to order€9.95Request a quote
  • Photo: 13091309normal clearance, standard designZ&S45 × 100 × 25available to order€12.82Request a quote
  • Photo: 13091309normal clearance, standard designM.G.M.45 × 100 × 25available to order€13.91Request a quote
  • Photo: 13091309normal clearance, standard designGPZ45 × 100 × 25available to order€14.81Request a quote
  • Series illustration (not a photo of this item): 13091309normal clearance, standard designno brand45 × 100 × 25available to orderon requestRequest a quote
  • Cross-section drawing to size: Self-aligning ball, 45 × 100 × 25 mm1309K+H3091:12 tapered bore, H309: not decodedCT45 × 100 × 25available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): 1309 K1309 Knormal clearance, 1:12 tapered boreCT45 × 100 × 25available to orderon requestRequest a quote
02

Details

what this bearing is, questions

About the bearing

d×D×Bsize 45 × 100 × 25mm
Cdynamic 39kN
C0static 13.4kN
mweight 0.96kg

Self-aligning ball bearing 1309 C3.

C, C₀, m: CT 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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