Description
Brand - RINGSPANN
Part Number - BA 70 SX RINGSPANN
Category - Complete Freewheels BA
Principal Dimensions & Specifications (Metric):
Standard Bore Diameter (d) - 120 mm
Maximum Bore Diameter (d) - 120 mm
Dimension (A) - 335 mm
Dimension (C) - 260 mm
Dimension (D) - 321 mm
Dimension (E) - 25 mm
Dimension (H) - 280 mm
Dimension (K) - 14 mm
Dimension (L) - 215 mm
Dimension (N) - 39 mm
Dimension (O) - 291 mm
Dimension (P) - 65 mm
Dimension (Q) - 225 mm
Dimension (R) - 210 mm
Thread for Screw (S) - M24
Weight - 115 kg
Type - Type with Sprag Lift-off X for Extended Service Life Using Sprag Lift-off at High Speed Rotating Inner Ring (SX)
Nominal Torque (MN) - 21000 Nm
Sprag Lift-off at Inner Ring Speed - 240 RPM
Maximum Speed of Inner Ring Freewheels - 1000 RPM
Description of Suffix:
SX - Type with Sprag Lift-off X for Extended Service Life Using Sprag Lift-off at High Speed Rotating Inner Ring
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:
• Handles nominal torques up to 57,500 Nm
• Available with bores up to 150 mm
Application as: Backstop
Application Example:
• Complete Freewheel BA 45 SX is used as a backstop, mounted at the end of the intermediate shaft of a spur gearbox
• For high shaft speeds during normal (freewheeling) operation, the sprag lift-off type X is used
Mounting:
• The holding pin should allow 0.5 to 2 mm play in both axial and radial directions
• Removing the holding pin enables the shaft to rotate freely in both directions
• The shaft tolerance must conform to ISO h6 or j6
♦ ♦ Images are for representation purposes only
Part Number - BA 70 SX RINGSPANN
Category - Complete Freewheels BA
Principal Dimensions & Specifications (Metric):
Standard Bore Diameter (d) - 120 mm
Maximum Bore Diameter (d) - 120 mm
Dimension (A) - 335 mm
Dimension (C) - 260 mm
Dimension (D) - 321 mm
Dimension (E) - 25 mm
Dimension (H) - 280 mm
Dimension (K) - 14 mm
Dimension (L) - 215 mm
Dimension (N) - 39 mm
Dimension (O) - 291 mm
Dimension (P) - 65 mm
Dimension (Q) - 225 mm
Dimension (R) - 210 mm
Thread for Screw (S) - M24
Weight - 115 kg
Type - Type with Sprag Lift-off X for Extended Service Life Using Sprag Lift-off at High Speed Rotating Inner Ring (SX)
Nominal Torque (MN) - 21000 Nm
Sprag Lift-off at Inner Ring Speed - 240 RPM
Maximum Speed of Inner Ring Freewheels - 1000 RPM
Description of Suffix:
SX - Type with Sprag Lift-off X for Extended Service Life Using Sprag Lift-off at High Speed Rotating Inner Ring
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:
• Handles nominal torques up to 57,500 Nm
• Available with bores up to 150 mm
Application as: Backstop
Application Example:
• Complete Freewheel BA 45 SX is used as a backstop, mounted at the end of the intermediate shaft of a spur gearbox
• For high shaft speeds during normal (freewheeling) operation, the sprag lift-off type X is used
Mounting:
• The holding pin should allow 0.5 to 2 mm play in both axial and radial directions
• Removing the holding pin enables the shaft to rotate freely in both directions
• The shaft tolerance must conform to ISO h6 or j6
♦ ♦ Images are for representation purposes only





