SF 61-21 JZ RINGSPANN

Brand - RINGSPANN
Part Number - SF 61-21 JZ RINGSPANN
Category - Cage Freewheels SF

Principal Dimensions & Specifications (Metric):
Dimension (J) - 61.91 mm
Dimension (D) - 78.57 mm
Dimension (B) - 21 mm
Dimension (K) - 110 mm
Sprags - 26 Pcs.
Weight - 0.14 kg

Type with Sprag Lift-off Z for Extended Service Life Using Sprag Lift-off at High Speed Rotating Outer Ring (JZ Type):
Nominal Torque (M_N) - 1150 Nm
Sprag Lift-off at Outer Ring Speed - 1550 RPM
Maximum Speed of Outer Ring Drives - 620 RPM

Other salient points to be noted:
• The maximum transmissible torque is 2 times the specified Nominal torque
• Assembly with inner and outer ring with sprags, available in three types

Features:
• Cage Freewheels SF are sprag freewheels designed to be installed between customer-supplied inner and outer rings
• Besides the standard type, two additional types are available for extended service life
• Capable of handling nominal torques up to 93,000 Nm

Application as: Backstop, Overrunning Clutch, Indexing Freewheel

Mounting:
• Lateral guidance of Cage Freewheels can be provided either by a shoulder on the outer ring or by using guard rings or guard discs fixed to the outer ring
• For such configurations, it is recommended to consult RINGSPANN regarding the transmissible torque limits
• Be sure to review the technical notes on page 102 for important guidelines concerning the sprag tracks

♦ ♦ Images are for representation purposes only