FRHD 1200 RINGSPANN

Brand - RINGSPANN
Part Number - FRHD 1200 RINGSPANN
Category - Low Speed Backstops FRHD

Principal Dimensions & Specifications:
Maximum Bore (d) - 9 inch
Dimension (A) - 23 inch
Dimension (C) - 10 inch
Dimension (D) - 12 inch
Dimension (E) - 4.94 inch
Dimension (H) - 89 inch
Dimension (L) - 11 inch
Dimension (P) - 28 inch
Dimension (Q) - 78 inch
Weight - 1300 lbs
Weight - 589.67 kg
Nominal Torque (M_N) - 92500 lb-ft
Maximum Speed Inner Ring Freewheels - 250 RPM

Other salient points to be noted:
• The maximum transmissible torque is 2 times the specified nominal torque
• Conversion factors: 1 lb-ft = 1.35 Nm, 1 inch = 25.4 mm, 1 lbs = 0.453 kg

Features:
• Low Speed Backstops FRHD with lever arm are sealed sprag freewheels equipped with ball bearings
• Capable of handling nominal torques up to 900,000 lb-ft
• Available with bores up to 21 inches

Application as: Backstop
• Equipped with Taconite seals to protect the freewheels from dust and dirt contamination

Application Example:
• Backstop FRHD 900 is installed on the head drum shaft of an inclined conveyor belt system
• The backdriving torque is supported by the lever arm resting on the base plate

Mounting:
• The lever arm must not be rigidly clamped; it should allow 0.5 inch of play in both axial and radial directions
• The shaft tolerance must comply with ISO h6 or j6

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