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- Actuator Flange Blocks for use with Rotating Type Machine Screwjacks

Actuator Flange Blocks for use with Rotating Type Machine Screwjacks
Flange block with setscrew locks to properly secure the connecting shaft regardless of direction.
AFB-4147





We provide a wide assortment of Flange Blocks designed to operate with our rotating type Machine Screw, Ball Screw, and Continuous Duty actuators.
Flange Blocks lock on to the end of the rotatingscrew, and can then be bolted on to the machine or fixture.
This ensures that the load being carried by the actuator’s lifting nut is properly guided.
Features
- Ductile iron housing - for extra strangth vs. the standard gray iron.
- Setscrew locks - to properly secure the connectiong shaft regardless of direction.
- Anti-rotation pins - to help prevent random bearing movement.
Flange Block Dimensional Specifications

Part Number | Rotating Actuator | Shaft Size | B | B.C. | C | D | E | H | J | L | M | S | Weight (lbs) |
FB50 | MS and BS up to 1 Ton | 1/2 | 3 | 3 | .969 | 2-3/32 | 2-1/8 | 7/16 | 3/8 | 1-7/32 | 31/32 | 1.079 | 1.0 |
FB63 | 2 Ton MS | 5/8 | 3 | 3 | .969 | 2-3/32 | 2-1/8 | 7/16 | 3/8 | 1-7/32 | 31/32 | 1.079 | 1.0 |
FB75 | 2 and 3 Ton BS | 3/4 | 3-3/8 | 3-5/8 | 1.142 | 3-3/8 | 2-1/2 | 19/32 | 3/8 | 1-15/32 | 1-5/32 | 1.220 | 1.5 |
FB87 | 3 Ton MS | 7/8 | 3-21/32 | 3-57/64 | 1.339 | 2-3/4 | 2-3/4 | 19/32 | 7/16 | 1-17/32 | 1-3/16 | 1.399 | 1.9 |
FB100 | 5 Ton MS, 5-10 Ton BS | 1 | 3-21/32 | 3-57/64 | 1.339 | 2-3/4 | 2-3/4 | 19/32 | 7/16 | 1-17/32 | 1-3/16 | 1.399 | 1.9 |
FB124 | 10 Ton MS | 1-1/4 | 4-9/16 | 5-1/8 | 1.843 | 3-9/16 | 3-5/8 | 11/16 | 1/2 | 1-27/32 | 1-3/8 | 1.689 | 4.4 |
FB150 | 15 Ton MS | 1-1/2 | 5-3/32 | 5-43/64 | 2.063 | 4-1/32 | 4 | 11/16 | 1/2 | 2-1/8 | 1-17/32 | 1.937 | 5.6 |
FB175 | 20 Ton MS & BS | 1-3/4 | 5-5/16 | 5-27/32 | 2.260 | 4-1/4 | 4-1/8 | 23/32 | 1/2 | 2-1/8 | 1-9/16 | 1.937 | 6.0 |
FB225 | 25 Ton BS | 2-1/4 | 6-29/32 | 7-31/32 | 2.949 | 5-5/16 | 5-5/8 | 23/32 | 5/8 | 2-43/64 | 1-57/64 | 2.114 | 11.9 |
*Cast Iron Housing* |
Pricing
Availability
Usually 1-2 Working Days - 1pm cut-off
We provide a wide assortment of Flange Blocks designed to operate with our rotating type Machine Screw, Ball Screw, and Continuous Duty actuators.
Flange Blocks lock on to the end of the rotatingscrew, and can then be bolted on to the machine or fixture.
This ensures that the load being carried by the actuator’s lifting nut is properly guided.
Features
- Ductile iron housing - for extra strangth vs. the standard gray iron.
- Setscrew locks - to properly secure the connectiong shaft regardless of direction.
- Anti-rotation pins - to help prevent random bearing movement.
Flange Block Dimensional Specifications

Part Number | Rotating Actuator | Shaft Size | B | B.C. | C | D | E | H | J | L | M | S | Weight (lbs) |
FB50 | MS and BS up to 1 Ton | 1/2 | 3 | 3 | .969 | 2-3/32 | 2-1/8 | 7/16 | 3/8 | 1-7/32 | 31/32 | 1.079 | 1.0 |
FB63 | 2 Ton MS | 5/8 | 3 | 3 | .969 | 2-3/32 | 2-1/8 | 7/16 | 3/8 | 1-7/32 | 31/32 | 1.079 | 1.0 |
FB75 | 2 and 3 Ton BS | 3/4 | 3-3/8 | 3-5/8 | 1.142 | 3-3/8 | 2-1/2 | 19/32 | 3/8 | 1-15/32 | 1-5/32 | 1.220 | 1.5 |
FB87 | 3 Ton MS | 7/8 | 3-21/32 | 3-57/64 | 1.339 | 2-3/4 | 2-3/4 | 19/32 | 7/16 | 1-17/32 | 1-3/16 | 1.399 | 1.9 |
FB100 | 5 Ton MS, 5-10 Ton BS | 1 | 3-21/32 | 3-57/64 | 1.339 | 2-3/4 | 2-3/4 | 19/32 | 7/16 | 1-17/32 | 1-3/16 | 1.399 | 1.9 |
FB124 | 10 Ton MS | 1-1/4 | 4-9/16 | 5-1/8 | 1.843 | 3-9/16 | 3-5/8 | 11/16 | 1/2 | 1-27/32 | 1-3/8 | 1.689 | 4.4 |
FB150 | 15 Ton MS | 1-1/2 | 5-3/32 | 5-43/64 | 2.063 | 4-1/32 | 4 | 11/16 | 1/2 | 2-1/8 | 1-17/32 | 1.937 | 5.6 |
FB175 | 20 Ton MS & BS | 1-3/4 | 5-5/16 | 5-27/32 | 2.260 | 4-1/4 | 4-1/8 | 23/32 | 1/2 | 2-1/8 | 1-9/16 | 1.937 | 6.0 |
FB225 | 25 Ton BS | 2-1/4 | 6-29/32 | 7-31/32 | 2.949 | 5-5/16 | 5-5/8 | 23/32 | 5/8 | 2-43/64 | 1-57/64 | 2.114 | 11.9 |
*Cast Iron Housing* |
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