Description
Brand - RINGSPANN
Part Number - FGRN 12 R A5A6 RINGSPANN
Category - Complete Freewheels FGRN...R A5A6
Principal Dimensions & Specifications (Metric):
Bore Diameter (d) - 12 mm
Dimension(A) - 70 mm
Dimension(D) - 62 mm
Dimension(F) - 1 mm
Dimension(L) - 42 mm
Dimension(M) - 10 mm
Dimension(N) - 4 mm
Dimension(P) - 2.5 mm
Dimension(O) - 20 mm
Weight - 1.2 kg
Type - Standard Type for Universal Use (R)
Nominal Torque (MN) - 55 Nm
Maximum Speed of Inner Ring Freewheels/ Overruns - 2500 RPM
Maximum Speed of Outer Ring Freewheels/ Overruns - 5400 RPM
Description of Suffixes:
R - Standard Type for Universal Use
A5A6 - Cover Combination
Other salient points to be noted:
• The maximum transmissible torque is 2 times the specified nominal torque
• Tolerance of keyway width JS10
• Keyway according to DIN 6885
Features:
• Complete Freewheels FGRN … R A5A6 are sealed roller freewheels equipped with ball bearings
• They are oil lubricated for smooth operation
• Designed to handle nominal torques up to 6,800 Nm
• Available with bores up to 80 mm
Application as: Backstop, Overrunning Clutch, Indexing Freewheel
Application Example:
• Complete Freewheel FGRN 45 R is used as an overrunning clutch on the shaft end of a mobile fan
• During normal operation, the fan is powered by a diesel motor through a V-belt drive, with the freewheel operating in driving mode
Mounting:
• Shaft tolerance should comply with ISO h6 or j6
• Pilot diameter D of the attachment part must conform to ISO H7 or J7
♦ ♦ Images are for representation purposes only
Part Number - FGRN 12 R A5A6 RINGSPANN
Category - Complete Freewheels FGRN...R A5A6
Principal Dimensions & Specifications (Metric):
Bore Diameter (d) - 12 mm
Dimension(A) - 70 mm
Dimension(D) - 62 mm
Dimension(F) - 1 mm
Dimension(L) - 42 mm
Dimension(M) - 10 mm
Dimension(N) - 4 mm
Dimension(P) - 2.5 mm
Dimension(O) - 20 mm
Weight - 1.2 kg
Type - Standard Type for Universal Use (R)
Nominal Torque (MN) - 55 Nm
Maximum Speed of Inner Ring Freewheels/ Overruns - 2500 RPM
Maximum Speed of Outer Ring Freewheels/ Overruns - 5400 RPM
Description of Suffixes:
R - Standard Type for Universal Use
A5A6 - Cover Combination
Other salient points to be noted:
• The maximum transmissible torque is 2 times the specified nominal torque
• Tolerance of keyway width JS10
• Keyway according to DIN 6885
Features:
• Complete Freewheels FGRN … R A5A6 are sealed roller freewheels equipped with ball bearings
• They are oil lubricated for smooth operation
• Designed to handle nominal torques up to 6,800 Nm
• Available with bores up to 80 mm
Application as: Backstop, Overrunning Clutch, Indexing Freewheel
Application Example:
• Complete Freewheel FGRN 45 R is used as an overrunning clutch on the shaft end of a mobile fan
• During normal operation, the fan is powered by a diesel motor through a V-belt drive, with the freewheel operating in driving mode
Mounting:
• Shaft tolerance should comply with ISO h6 or j6
• Pilot diameter D of the attachment part must conform to ISO H7 or J7
♦ ♦ Images are for representation purposes only





