Global Robotics
Laifual FBS-U-Ⅰ, frame size 25, 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 25; manufacturer-named form; Grease lubrication; average input-speed limit
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
≤40 arcsec
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; manufacturer-named form; Manufacturer table limit
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
3,600 r/min
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; manufacturer-named form; Grease lubrication; manufacturer maximum, not the rated-torque test speed
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
108 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 100:1; manufacturer-named form; Average load limit
100 67 6.8 157 16 108 11 284 29
55 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 50:1; manufacturer-named form; Average load limit
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
87 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 80:1; manufacturer-named form; Average load limit
80 63 6.4 137 14 87 8.9 255 26
284 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 100:1; manufacturer-named form; Momentary maximum; not continuous rated torque
100 67 6.8 157 16 108 11 284 29
186 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 50:1; manufacturer-named form; Momentary maximum; not continuous rated torque
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
255 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 80:1; manufacturer-named form; Momentary maximum; not continuous rated torque
80 63 6.4 137 14 87 8.9 255 26
67 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 100:1; manufacturer-named form; At 2000 r/min input
100 67 6.8 157 16 108 11 284 29
39 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 50:1; manufacturer-named form; At 2000 r/min input
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
63 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 80:1; manufacturer-named form; At 2000 r/min input
80 63 6.4 137 14 87 8.9 255 26
100
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 100:1; manufacturer-named form; Manufacturer-rated configuration
100 67 6.8 157 16 108 11 284 29
50
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 50:1; manufacturer-named form; Manufacturer-rated configuration
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
80
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 80:1; manufacturer-named form; Manufacturer-rated configuration
80 63 6.4 137 14 87 8.9 255 26
157 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 100:1; manufacturer-named form; During starting and stopping
100 67 6.8 157 16 108 11 284 29
98 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 50:1; manufacturer-named form; During starting and stopping
25 50 39 4 98 10 55 5.6 186 19 3600 2500 ≤40
137 N·m
Manufacturer specification
Configuration: FBS-U-Ⅰ; frame size 25; reduction ratio 80:1; manufacturer-named form; During starting and stopping
80 63 6.4 137 14 87 8.9 255 26
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