For lower frequency applications, plain bearing hinges are most suitable. They are non-ball bearing hinges used with non-rated fire doors. Plain bearing hinges are available in many different configurations like two knuckle, three knuckle, five and six knuckle etc. Plain Bearing Hinges are normally used in solid core doors or doors that are used frequently.

Materials Used

Plain bearing hinges are made of following materials:

• Bronze
• Iron
• Steel
• Brass
• Aluminum
• Zinc
• Copper

Styles

Plain bearing hinges come in styles like:

• Radius corner Plain Bearing Hinges
• Square corner Plain Bearing Hinges
• Ball tip plain Bearing Hinges
• Architectural Plain Bearing Hinges

Finishes

Finishes in which these hinges are available are:

• Steel
• Oil rubbed bronze plated
• Primed for painting
• Satin bronze plated, oxidized, lacquered
• Bright chrome plated
• Bright brass plated
• Satin brass plated
• Satin chrome plated
• Satin antique nickel
• Satin bronze plated, oxidized, lacquered
• Bright chrome plated