Description
Brand - RINGSPANN
Part Number - FXRU 85 - 50 MX RINGSPANN
Category - Integrated Freewheels FXRU
Principal Dimensions & Specifications (Metric):
Maximum Bore Diameter (d) - 65 mm
Dimension (A) - 330 mm
Dimension (B) - 176 mm
Dimension (C) - 6 mm
Dimension (D) - 285 mm
Thread (G) ** - M 12
Dimension (H) - 54 mm
Dimension (K) - 67.5 mm
Dimension (L) - 60 mm
Dimension (O) - 151 mm
Dimension (R) - 280 mm
Dimension (S) - 110 mm
Dimension (T) - 308 mm
Minimum Dimension (U) *** - 165 mm
Maximum Dimension (U) *** - 215 mm
Dimension (V) - 38 mm
Number of Fastening Holes (Z) ** - 6 mm
Weight - 62 kg
Slipping Toeque (MR) - 3300 Nm
Sprag Lift-off at Inner Ring Speed - 430 RPM
Maximum Speed Inner Ring Freewheels - 6000 RPM
Other salient points to be noted:
* Keyway according to DIN 6885
** Z = Number of fastening holes for screws G on pitch circle T
*** Area for O-ring sealing
Features:
• Integrated Freewheels FXR are sprag-type freewheels without built-in bearing support, featuring sprag lift-off design (X)
• The sprag lift-off mechanism ensures no contact during high-speed inner ring rotation, resulting in wear-free operation
• Upon stoppage, the full backdriving torque often gets concentrated on a single backstop, which can overload it
Application as: Backstop (For continuous conveyor systems that use multiple drives, each fitted with its own backstop)
Torques:
• IIntegrated Freewheels FXRU are equipped with a preset slipping torque (MR) for the built-in torque limiter
• The static backdriving torque (ML) of the installation, even under overload conditions — must never exceed the combined MR values of all installed freewheels
Mounting:
• Integrated Freewheels FXRU do not have bearing support
• The runout (T.I.R.) between the pilot diameter (R) and shaft diameter (d) must not exceed 0.25 mm
• Dimension C is the reference depth for the freewheel installation
• The centering depth of the customer’s attachment part must be at least C + 0.2 mm
• The pilot diameter R must have a tolerance of ISO H7
• The shaft diameter must conform to ISO h6 or j6 tolerance
♦ ♦ Images are for representation purposes only
Part Number - FXRU 85 - 50 MX RINGSPANN
Category - Integrated Freewheels FXRU
Principal Dimensions & Specifications (Metric):
Maximum Bore Diameter (d) - 65 mm
Dimension (A) - 330 mm
Dimension (B) - 176 mm
Dimension (C) - 6 mm
Dimension (D) - 285 mm
Thread (G) ** - M 12
Dimension (H) - 54 mm
Dimension (K) - 67.5 mm
Dimension (L) - 60 mm
Dimension (O) - 151 mm
Dimension (R) - 280 mm
Dimension (S) - 110 mm
Dimension (T) - 308 mm
Minimum Dimension (U) *** - 165 mm
Maximum Dimension (U) *** - 215 mm
Dimension (V) - 38 mm
Number of Fastening Holes (Z) ** - 6 mm
Weight - 62 kg
Slipping Toeque (MR) - 3300 Nm
Sprag Lift-off at Inner Ring Speed - 430 RPM
Maximum Speed Inner Ring Freewheels - 6000 RPM
Other salient points to be noted:
* Keyway according to DIN 6885
** Z = Number of fastening holes for screws G on pitch circle T
*** Area for O-ring sealing
Features:
• Integrated Freewheels FXR are sprag-type freewheels without built-in bearing support, featuring sprag lift-off design (X)
• The sprag lift-off mechanism ensures no contact during high-speed inner ring rotation, resulting in wear-free operation
• Upon stoppage, the full backdriving torque often gets concentrated on a single backstop, which can overload it
Application as: Backstop (For continuous conveyor systems that use multiple drives, each fitted with its own backstop)
Torques:
• IIntegrated Freewheels FXRU are equipped with a preset slipping torque (MR) for the built-in torque limiter
• The static backdriving torque (ML) of the installation, even under overload conditions — must never exceed the combined MR values of all installed freewheels
Mounting:
• Integrated Freewheels FXRU do not have bearing support
• The runout (T.I.R.) between the pilot diameter (R) and shaft diameter (d) must not exceed 0.25 mm
• Dimension C is the reference depth for the freewheel installation
• The centering depth of the customer’s attachment part must be at least C + 0.2 mm
• The pilot diameter R must have a tolerance of ISO H7
• The shaft diameter must conform to ISO h6 or j6 tolerance
♦ ♦ Images are for representation purposes only
