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JNS
Simplified drawing of the bearing per ISO 8826-1, dimensions of CF 4A: ⌀4 × ⌀12 × 8 mm⌀12⌀48CF 4A
Fig. 1: CF 4A, simplified drawing per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of CF 4A

Track rollers and cam followers

Bearing JNS CF 4A

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Specifications

Manufacturer number
Axle Ø (axle thread)
4 mm
Axle Ø (axle thread)Source: IKO Cam Followers p.23 (section I)
Wheel outside diameter D
12 mm
Wheel outside diameter DSource: IKO Cam Followers p.23 (section I)
Wheel width C
8 mm
Wheel width CSource: IKO Cam Followers p.23 (section I)
Overall length with axle L
20 mm
Overall length with axle LSource: IKO Cam Followers p.23 (section I)
Axle length from the ring B3
11 mm
Axle length from the ring B3Source: IKO Cam Followers p.23 (section I)
Axle thread length G1
6 mm
Axle thread length G1Source: IKO Cam Followers p.23 (section I)
Hexagon across flats
2.5 mm
Hexagon across flatsSource: IKO Cam Followers p.23 (section I)
Axle head Ø d2
8.3 mm
Axle head Ø d2Source: IKO Cam Followers p.23 (section I)
Axle thread
M4×0.7
Axle threadSource: IKO Cam Followers p.23 (section I)
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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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