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Koyo-Torrington
Simplified drawing of the bearing per ISO 8826-1, dimensions of STO 25 ZZ: ⌀25 × ⌀52 × 15.8 mm⌀52⌀2515.8STO 25 ZZZZ
Fig. 1: STO 25 ZZ, simplified drawing per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of STO 25 ZZ

Track rollers and cam followers

Bearing Koyo-Torrington STO 25 ZZ

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Specifications

Manufacturer number
Bore diameter d
25 mm
Bore diameter dSource: CX p.705-707
Wheel outside diameter D
52 mm
Wheel outside diameter DSource: CX p.705-707
Outer ring width C
15.8 mm
Outer ring width CSource: CX p.705-707
Diameter over needles Fw
30 mm
Diameter over needles FwSource: CX p.705-707
Inner ring width B1
16 mm
Inner ring width B1Source: CX p.705-707
Seal
ZZshields, both sides
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Details

what this bearing is, questions

Frequently asked questions

How does 2RS differ from ZZ?

2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

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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