Custom Bearings Manufacturer, Steel Balls, Bearing Assemblies
 
 
 
 

Needle Rollers

Needle Rollers

Whether you need 100,000 pieces or 100 million, Hartford Technologies'
Precision Needle Rollers can be made to your most exacting requirements.

Needle Rollers are typically used in bearing applications for automotive,
industrial, agricultural, and aerospace applications. Needle Rollers are also
used as internal bearings in cam followers.

Size Ranges
Diameter: .031" to 1.000" (.787mm to 31.750mm)
Length: .125" to 3.000" (3.17mm to 76.2mm)

Standard Materials
- 52100 chromium steel - 8620 alloy steel
- 440C stainless steel - M50 tool steel

Finish
- Up to 6 RMS

Applications: Needle Rollers
- Caged roller bearings
- Thrust bearings
- Cam followers

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Precision Rollers

Precision Rollers

Hartford Technologies' Precision Rollers can be either machined or
cold formed for maximum manufacturing efficiency. They are ideal for
use in linear bearing applications or as alignment pins in precision assemblies.
Precision Rollers from Hartford are widely used throughout the automotive
and industrial sectors.

Size Ranges
Diameter: .031" to 1.000" (.787mm to 31.750mm)
Length: .125" to 3.000" (3.17mm to 76.2mm)

Standard Materials
- 52100 chromium steel - 8620 alloy steel
- 440C stainless steel - 1008/1010
- Carbon steel

Finish
- Up to 6 RMS

Applications: Precision Rollers
- Alignment pins
- Linear seat track bearings
- Thrust roller bearings

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Special End Rollers

Special End Rollers

Hartford Technologies' Special End Rollers are designed primarily for
roller bearing applications. End configurations include flat, spherical,
and cone shaped. Applications for special end rollers include the
automotive and industrial markets.

Size Ranges
Diameter: .031" to 1.000" (.787mm to 31.750mm)
Length: .125" to 3.000" (3.17mm to 76.2mm)

Standard Materials
- 52100 chromium steel - 8620 alloy steel
- 440C stainless steel - 1008/1010 carbon steel

Finish
- Up to 6 RMS

Applications: Special End Rollers
- Roller bearings
- Linear seat track bearings
- Thrust roller bearings

 

Email us your drawings or specs and let Hartford
suggest a cost-effective solution.

 

   

Hartford Technologies is a leading American manufacturer of needle rollers, precision rollers, and special end rollers with
manufacturing facilities in the U.S. and China.  We provide comprehensive value-added services, including application
engineering and inventory management, to a customer base that spans automotive to medical, leisure products to
agriculture.

Hartford customers include leading OEMs, and diverse, specialized manufacturers on four continents.  Our commitment
is to combine technical innovation with agility, responsiveness and institutional strength - strength that comes from a
conservative management team, global manufacturing and logistics capability, and more than 80 years of leadership.

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