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Tsubaki’s new BS-F Series backstops are designed for simple, drop-in installation to all major competitive external, low-speed backstop products. These backstops use a
unique labyrinth seal design for maximum life with minimal maintenance.
With Tsubaki’s innovative design features, our backstops ensure efficient and dependable operation in the harshest environments.
TYPICAL APPLICATIONS
COMMON INDUSTRIES
MINING
POWER GENERATING PLANTS
CEMENT
PORTS
INNOVATIVE FEATURES:
NON-ROLLOVER CAM
>
SPECIAL LABYRINTH SEAL
>
Superior Performance in the Harshest Environments
GREASE LUBRICATION
>
DROP IN DESIGN
>
3 STEP
EASY CONNECTION
Step 1: Insert I-beam torque arm into clutch
Step 2: Insert lock pins through flange plate and secure torque arm
Step 3: Insert retaining pins into lock pins
>
TYPICAL APPLICATIONS
- Mining (Coal, Copper, Potash) - used in inclined conveyors and bucket elevators for transporting raw materials.
- Power Generating Plants - used in inclined conveyors to transfer coal from the stockpile to the boiler rooms.
- Cement Plants - used in bucket elevators and inclined conveyors for moving limestone and clay to crushers and silos.
COMMON INDUSTRIES
MINING
POWER GENERATING PLANTS
CEMENT
PORTS
INNOVATIVE FEATURES:
NON-ROLLOVER CAM
- Provides higher torque ratings than the leading competitors due to the larger profile and greater contact area.
- Improves performance and prevents costly and potentially dangerous rollover.
>
SPECIAL LABYRINTH SEAL
- New seal design prevents the ingress of dust and other contaminants typically found in mining and cement plants, which extends the life of the lubricant.
- Minimizes heat generation and provides trouble-free service with minimal scheduled maintenance.
>
Superior Performance in the Harshest Environments
GREASE LUBRICATION
- Offers synthetic grease lubrication in a sealed backstop design.
- Breather element is eliminated.
- No need to monitor oil levels, refill the backstop or worry about moisture in the lubricant.
- Provides trouble-free performance with minimized maintenance requirements.
>
DROP IN DESIGN
- Tsubaki offers the narrowest backstop with an I-beam torque arm.
- Quick and easy field replacement. Drop in compatible with most competitive products.
>
3 STEP
EASY CONNECTION
Step 1: Insert I-beam torque arm into clutch
Step 2: Insert lock pins through flange plate and secure torque arm
Step 3: Insert retaining pins into lock pins
>
Unit of Measure
Specifications
Bore Range - Max. |
N/A 14.170 in360.00 mm |
Bore Range - Min. |
N/A 9.840 in250.00 mm |
Torque Capacity |
N/A 360000 lb·ft489000 N·m |
Inner Race Max. Overrunning Speed |
N/A 100 rpm |
Drag Torque |
N/A 115.710 lb·ft157.00 N·m |
A - Backstop width |
N/A 11.500 in292.00 mm |
B - Overall length |
N/A 36.610 in930.00 mm |
C - Inside width |
N/A 10.940 in278.00 mm |
D - Center line of backstop to flange edge |
N/A 23.030 in585.00 mm |
E - Counterbore inside diameter |
N/A 19.290 in490.00 mm |
F - Overall inner race width |
N/A 11.260 in286.00 mm |
G - Counterbore depth |
N/A 0.160 in4.00 mm |
H - Overall backstop width |
N/A 13.580 in345.00 mm |
J - Distance from backstop center line to I-beam edge |
N/A 100.000 in2540.00 mm |
K - Torque arm height |
N/A 17.990 in457.00 mm |
L - Torque arm width |
N/A 5.980 in152.00 mm |
Amount of grease |
N/A 4.180 lb1.900 kg |
Weight - With Torque Arm - Min. Bore |
N/A 4114.000 lb1870.000 kg |
Weight - With Torque Arm - Max. Bore |
N/A 3850.000 lb1750.000 kg |
Weight - Without Torque Arm - Min. Bore |
N/A 3476.000 lb1580.000 kg |
Weight - Without Torque Arm - Max.. Bore |
N/A 3212.000 lb1460.000 kg |