Plain bearing hinge is a non-ball
bearing hinge used for lower frequency applications, in most cases with
non-rated fire doors. This style of hinge is available in many different
configurations: 2 knuckle, 3 knuckle, 5 & 6 knuckle. Plain Bearing
Hinges are recommended for solid core doors or doors that are used
frequently and these hinges are available in various range in thickness.
Types Of Plain Bearing Hinges
- Solid Brass and Bronze Full Mortise Butt Hinges : These
are used for medium weight doors of low frequency and use ball
bearing hinges on high and average frequency doors and doors
equipped with closers.
- Stainless Steel Full Mortise Butt Hinges : These hinges
are used for medium weight doors of low frequency and use ball
bearing hinges on high and average frequency doors and doors
equipped with closers. They have stainless steel base material and
stainless steel pin.
- Steel Full Mortise Butt Hinges: The stainless steel
hinges are used for medium weight doors of low frequency. These
hinges come with wood screws and machine screws and are polished and
plated to ensure a fine durable finish.
Materials Used in Plain Bearing Hinges
- Brass
- Aluminum
- Bronze
- Iron
- Steel
- Zinc
- Copper etc.
Styles of Plain Bearing Hinges
- Plain Bearing Hinges with radius corner
- Plain Bearing Hinges with square corner
- Plain Bearing Hinges with ball tip
- Architectural Plain Bearing Hinges etc.
Finishes on Plain Bearing Hinges
All the above hinges are available in the following finishes:
- Steel
- Bright brass plated
- Satin brass plated
- Satin bronze plated, oxidized, lacquered
- Bright chrome plated
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- Satin chrome plated
- Oil rubbed bronze plated
- Primed for painting
- Satin antique nickel etc.
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