Deep groove ball bearing

Complete Freewheel(backstop) FRHM

Product information

INTRODUCTION

Complete Freewheel(backstop) FRHM

Features
Complete Freewheels FRHM with torque arm are sealed sprag freewheels with ball bearings. They are designed for interchanging the Morse® CB units, supplied oil-filled and ready for installation
The freewheels FRHM are arranged on through shafts or shaft ends.
The freewheels FRHM are used as:
➧ Backstops
for low-speed applications. They are designed for use in inclined conveyor-belt systems, elevators and pumps. Taconite seals protect the backstops when conditions are dirty and dusty.
Maximum torques up to 56 000 lb-ft.
Bores up to 7 inch.

Application example
Backstop FRHM 900-12 on the head pulley shaft of an inclined conveyor. The back driving torque is restricted by the torque arm on the base plate.

Mounting
The back driving torque is restrained by the torque arm. The torque arm must not be clamped into position. It must have 0.5 inch play in the axial and in the radial direction.
FRHM backstops are supplied for a clearance fit. Set screws on the inner ring are provided for axial retention, shaft collars are not required.

Freewheel Size	Maximum t orque MM lb-ft	Nominal t orque MN lb-ft	Maximum speed inner ring freewheels rpm	Bore d max. inch	A inch	C inch	D inch	E inch	H inch	R* inch	Weight lbs
FRHM 775-7	15 000	7 500	540	3.75	9.75	4.38	6	0.50	21.88	15.25	160
FRHM 800-7	24 000	12 000	460	4.50	10.50	4.38	7	0.50	22.25	15.25	190
FRHM 800-12	24 000	12 000	460	4.50	10.50	4.75	7	0.50	25.50	18.63	200
FRHM 900-12	37 000	18 500	400	5.44	12.00	4.75	8	0.50	26.25	18.63	210
FRHM 900-19	37 000	18 500	400	5.44	12.00	4.75	8	0.88	30.63	22.88	220
FRHM 1000-19	56 000	28 000	360	7.00	16.50	4.75	9	0.88	32.89	22.88	270
FRHM 1000-30	56 000	28 000	360	7.00	16.50	5.25	9	0.88	33.25	23.00	275