Global Robotics
Laifual FBS-U-Ⅰ, frame size 14, is an double-circular harmonic reducer with a hollow central opening for precision mechanical transmission. The manufacturer lists size-specific torque and input-speed limits across the reduction ratios recorded in Specifications. The form is separately identified on the official product page; the reduction ratio remains an ordering choice. Cover image: Manufacturer series image; size may vary.
Product family: Laifual FBS-U-Ⅰ harmonic reducers
Source-backed claims. Configuration, workload and evidence type matter when comparing products.
2,500 r/min
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; manufacturer-named form; Grease lubrication; average input-speed limit
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
≤40 arcsec
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; manufacturer-named form; Manufacturer table limit
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
3,600 r/min
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; manufacturer-named form; Grease lubrication; manufacturer maximum, not the rated-torque test speed
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
11 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 100:1; manufacturer-named form; Average load limit
100 7.8 0.8 28 2.9 11 1.1 54 5.5
6.9 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 50:1; manufacturer-named form; Average load limit
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
11 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 80:1; manufacturer-named form; Average load limit
80 7.8 0.8 23 2.4 11 1.1 47 4.8
54 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 100:1; manufacturer-named form; Momentary maximum; not continuous rated torque
100 7.8 0.8 28 2.9 11 1.1 54 5.5
35 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 50:1; manufacturer-named form; Momentary maximum; not continuous rated torque
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
47 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 80:1; manufacturer-named form; Momentary maximum; not continuous rated torque
80 7.8 0.8 23 2.4 11 1.1 47 4.8
7.8 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 100:1; manufacturer-named form; At 2000 r/min input
100 7.8 0.8 28 2.9 11 1.1 54 5.5
5.4 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 50:1; manufacturer-named form; At 2000 r/min input
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
7.8 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 80:1; manufacturer-named form; At 2000 r/min input
80 7.8 0.8 23 2.4 11 1.1 47 4.8
100
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 100:1; manufacturer-named form; Manufacturer-rated configuration
100 7.8 0.8 28 2.9 11 1.1 54 5.5
50
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 50:1; manufacturer-named form; Manufacturer-rated configuration
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
80
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 80:1; manufacturer-named form; Manufacturer-rated configuration
80 7.8 0.8 23 2.4 11 1.1 47 4.8
28 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 100:1; manufacturer-named form; During starting and stopping
100 7.8 0.8 28 2.9 11 1.1 54 5.5
18 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 50:1; manufacturer-named form; During starting and stopping
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 3600 2500 ≤40
23 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 14; reduction ratio 80:1; manufacturer-named form; During starting and stopping
80 7.8 0.8 23 2.4 11 1.1 47 4.8
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