Product details

FSS

Transmission & Mechanical Parts

Laifual

FSS

About this product

Laifual FSS is a precision harmonic reducer. This record represents the manufacturer's C-I component set in frame size 40, as identified in its model-specific dimensional drawing. Specifications preserve the listed reduction-ratio configurations, separate rated, starting/stopping and instantaneous torque limits, input speeds, backlash, mass and design-life qualifiers. Manufacturer drawing and web-table discrepancies are flagged in the affected specification conditions. Cover image: Manufacturer series image; size may vary.

Model
FSS C-I; Size 40; ratio unspecified
Category
Transmission & Mechanical Parts, Components

Product family: Laifual FSS C-I harmonic reducers

Specifications & evidence

Source-backed claims. Configuration, workload and evidence type matter when comparing products.

Allowable average input speed

3,500 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; Average input speed under grease lubrication. Unresolved manufacturer-source conflict: this drawing states 3500 r/min; the current family web table states 3000 r/min (https://www.laifual.com/fss/). Both published claims are retained; neither is treated as a correction.

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Allowable average input speed

3,500 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; Average input speed under grease lubrication. Unresolved manufacturer-source conflict: this drawing states 3500 r/min; the current family web table states 3000 r/min (https://www.laifual.com/fss/). Both published claims are retained; neither is treated as a correction.

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Allowable average input speed

3,500 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; Average input speed under grease lubrication. Unresolved manufacturer-source conflict: this drawing states 3500 r/min; the current family web table states 3000 r/min (https://www.laifual.com/fss/). Both published claims are retained; neither is treated as a correction.

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Allowable average input speed

3,500 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; Average input speed under grease lubrication. Unresolved manufacturer-source conflict: this drawing states 3500 r/min; the current family web table states 3000 r/min (https://www.laifual.com/fss/). Both published claims are retained; neither is treated as a correction.

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Allowable average input speed

3,500 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; Average input speed under grease lubrication. Unresolved manufacturer-source conflict: this drawing states 3500 r/min; the current family web table states 3000 r/min (https://www.laifual.com/fss/). Both published claims are retained; neither is treated as a correction.

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Backlash

≤20 arcsec

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; Manufacturer backlash limit

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Backlash

≤20 arcsec

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; Manufacturer backlash limit

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Backlash

≤20 arcsec

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; Manufacturer backlash limit

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Backlash

≤20 arcsec

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; Manufacturer backlash limit

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Backlash

≤20 arcsec

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; Manufacturer backlash limit

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Design life

≥15000 h

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Design life

≥15000 h

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Design life

≥15000 h

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Design life

≥10000 h

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Design life

≥15000 h

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; Manufacturer minimum design life; not a warranty; preserve the printed greater-than-or-equal qualifier. Family web tables may present unqualified values or a shared range; these are not equivalent claims.

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Mass

1.7 kg

Reported claim

Configuration: FSS; C-I; frame size 40; C-I assembly; exact drawing mass cell: FSS-C:1.7

FSS-40-XX-C-I manufacturer dimensional drawing
weight kg FSS-C:1.7

Maximum allowable input speed

4,000 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; Maximum input speed under grease lubrication

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Maximum allowable input speed

4,000 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; Maximum input speed under grease lubrication

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Maximum allowable input speed

4,000 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; Maximum input speed under grease lubrication

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Maximum allowable input speed

4,000 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; Maximum input speed under grease lubrication

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Maximum allowable input speed

4,000 r/min

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; Maximum input speed under grease lubrication

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Maximum permissible average load torque

372 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; Average load limit

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Maximum permissible average load torque

451 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; Average load limit

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Maximum permissible average load torque

451 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; Average load limit

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Maximum permissible average load torque

196 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; Average load limit

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Maximum permissible average load torque

284 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; Average load limit

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Maximum permissible instantaneous torque

1,080 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; Momentary maximum; not continuous rated torque

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Maximum permissible instantaneous torque

1,180 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; Momentary maximum; not continuous rated torque

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Maximum permissible instantaneous torque

1,180 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; Momentary maximum; not continuous rated torque

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Maximum permissible instantaneous torque

686 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; Momentary maximum; not continuous rated torque

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Maximum permissible instantaneous torque

980 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; Momentary maximum; not continuous rated torque

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Rated output torque

265 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; At 2000 r/min input

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Rated output torque

294 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; At 2000 r/min input

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Rated output torque

294 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; At 2000 r/min input

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Rated output torque

137 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; At 2000 r/min input

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Rated output torque

206 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; At 2000 r/min input

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Reduction ratio

100

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; Manufacturer-listed reduction ratio

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Reduction ratio

120

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; Manufacturer-listed reduction ratio

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Reduction ratio

160

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; Manufacturer-listed reduction ratio

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Reduction ratio

50

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; Manufacturer-listed reduction ratio

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Reduction ratio

80

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; Manufacturer-listed reduction ratio

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

Start/stop permissible peak torque

568 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 100:1; During starting and stopping

FSS-40-XX-C-I manufacturer dimensional drawing
40 100 265 27 568 58 372 38 1080 110 4000 3500 ≤20 FSS-C:1.7 ≥15000

Start/stop permissible peak torque

617 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 120:1; During starting and stopping

FSS-40-XX-C-I manufacturer dimensional drawing
120 294 30 617 63 451 46 1180 120 4000 3500 ≤20 ≥15000

Start/stop permissible peak torque

647 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 160:1; During starting and stopping

FSS-40-XX-C-I manufacturer dimensional drawing
160 294 30 647 66 451 46 1180 120 4000 3500 ≤20 ≥15000

Start/stop permissible peak torque

402 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 50:1; During starting and stopping

FSS-40-XX-C-I manufacturer dimensional drawing
50 137 14 402 41 196 20 686 70 4000 3500 ≤20 ≥10000

Start/stop permissible peak torque

519 N·m

Reported claim

Configuration: FSS; C-I; frame size 40; reduction ratio 80:1; During starting and stopping

FSS-40-XX-C-I manufacturer dimensional drawing
80 206 21 519 53 284 29 980 100 4000 3500 ≤20 ≥15000

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