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Drawing of NA 6909: ⌀45 × ⌀68 × 40 mm⌀68⌀4540NA 6909
Fig. 1: NA 6909, 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 NA 6909

Load: radial high; no axial loadNeedle

Bearing CT NA 6909

€4.59per piece
In stock: 23 pcs
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Specifications

Manufacturer number
Equivalents
0 exact, 0 approximate
d
45 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
68 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
40 mm
Width BRing width. Source: two supplier sources
Seal
open, no protection
Clearance
normal clearance
C
70.4 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
137 kN
Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
m
0.5 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 45 × 68 × 40 from other brands

2 products
Cross-section drawing to size: Needle, 45 × 68 × 40 mm
You are viewingCT NA 6909
€4.59baseline for the price comparison

Not enough data for a firm conclusion: what is missing is written in the row.

  • Cross-section drawing to size: Needle, 45 × 68 × 40 mmNA 6909This bearingCT45 × 68 × 4023 pcs€4.59you are here
  • Cross-section drawing to size: Needle, 45 × 68 × 22 mmNA 4909seal not specifiedNEU45 × 68 × 22out of stockon requestRequest a quote

Under the price: the difference from the price of this bearing (€4.59).
02

Details

what this bearing is, questions

About the bearing

d×D×Bsize 45 × 68 × 40mm
Cdynamic 70.4kN
C0static 137kN
mweight 0.5kg

Needle bearing NA 6909.

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.

03

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