New Inventory Daily | Same Day Free Shipping

13k+ reviews

KoyoSTO25ZZYoke Type Needle Track Roller – 25 mm Bore, 52 mm OD, With Inner Ring

Condition: New

Availability:

1 in stock

Koyo STO25ZZ yoke type needle track roller (support roller), 25 mm bore, 52 mm outside diameter, thick-walled outer ring for track and cam running.

List Price

$25.29

1 in stock

Prefer eBay? Visit our store (opens in a new tab)

Small green outline icon of a shipping box with a clock, indicating delivery time
Availability

1 in stock

On the Shelf & Ready to Ship

Green shield badge reading "Same-Day Shipping" with box and delivery truck icons
Free Shipping

On all orders

Green shield icon with box and arrow graphic labeled "Free Returns"
Free Returns

No Risk, No Hassle

Specifications

Key Specifications

MFR / BrandKoyo
MPNSTO25ZZ
GTIN605790218712
ModelSTO 25 ZZ
Bearing TypeNeedle Roller Bearing
ID25 mm
OD52 mm

Technical Specifications

Industry Termstrack roller, support roller, yoke roller, needle track roller, cam roller
Mpn VariantsSTO25ZZ, STO 25 ZZ, STO-RSTO25ZZ, STO25
SeriesSTO
Rolling ElementsNeedle Roller
Seller Part Number: B-AD3B5#ZB3PV5

Product Description

What this part is

The Koyo STO25ZZ is a yoke type needle track roller, also called a support roller, for a 25 mm bore. A thick-walled outer ring runs directly on a track or cam, carried on needle rollers over an inner ring that clamps in a yoke or clevis.

Decoding the designation

STO — yoke type track roller with inner ring, without axial guidance flanges.

25 — 25 mm bore.

Specifications

Bore Diameter: 25 mm. Outside Diameter: 52 mm. Rolling Elements: Needle Roller. Product Type: Yoke type track roller. Unit Quantity: 1 Pc.

Dimensions and mounting

The inner ring mounts on a 25 mm pin or shaft in a yoke, and the 52 mm outer ring runs on the track or cam surface.

Compatibility and replacement

Direct replacement for Koyo STO25ZZ, also marked STO 25 ZZ and STO-RSTO25ZZ.

Frequently asked questions

What is a Koyo STO25ZZ?
A yoke type needle track roller, or support roller, for a 25 mm bore.

What is the outside diameter of the STO25ZZ?
52 mm.

Does the STO25ZZ have an inner ring?
Yes. STO track rollers carry an inner ring.

You May Also Like

Needle Roller / Axial Ball Bearing – 25 mm Bore, 37 mm OD, 30 mm Height, End Cap, Grease Lubricated
NX25ZXL

$30.39

2 in stock

Add to cart
Torrington GNBH-4824 drawn cup needle roller bearing shown in shrink wrap next to its original box
GNBH-4824

$166.93

3 in stock

Add to cart
Two stacked Koyo J-2216-OH boxes labeled J2216OH, a drawn cup needle roller bearing
J-2216-OH

$24.61

50 in stock

Add to cart

Need help finding the right part?

Our team can locate, cross-reference, and source all parts.

Assortment of MRO parts including motor, bearing, gears, cylinder and valve

News

Replacement PCBs for Legacy CNC: A Field Guide

Siemens put a number on the bad day you’re having.

Sell Surplus Servo Drives: Who Actually Buys in Bulk

Rockwell’s own product page for the Kinetix 6000 is down

Additional Resources

Need help finding the right part?

Our team can locate, cross-reference, and source all parts.

Get In Touch
Need help finding the right part?

Our team can locate, cross-reference, and source all parts.

Get In Touch

Sort

Brand

Price

MPN

Categories

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.