BF-FLF57 Series Common Planetary Gearbox

The size of this gearbox is 57 x 57 mm and the input shaft diameter is 8 mm. This high-precision planetary gearbox is belong to FLF series gearbox, it with gear ratio 4:1 / 5:1 / 10:1 / 20:1 / 25:1 / 50:1 and a maximum 30 arc-min ~ 45 arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value. This inline planetary gearbox built-in an input shaft coupling which can match any standard Nema 17 stepper motor.

Gearbox Specifications:

Model: BF-FLF57 Series
Gearbox Type: Planetary Gearbox
Gear Ratio: 4:1 / 5:1 / 10:1 / 20:1 / 25:1 / 50:1
Efficiency: 90% / 80%
Backlash: ≤30 arcmin - ≤45 arcmin
Rated Torque: 10N.m- 25N.m
Sundden Stop Torque: 20N.m- 50N.m
Rated Input Speed: 1000rpm
Max Input Speed: 2000rpm
Average Life Span: 20000h
Axial Force: 100N
Radial Force: 300N
Noise: ≤55dB
Protection Level: iP54

Physical Specifications:

Gearbox Length: L: 89.5mm ,102mm LSW: 100.3mm,112.8mm
Gearbox Shaft Diameter: Φ14mm
Gearbox Shaft Length: 34mm
Gearbox Key Length: 25mm
BF-FLF57-L1 / L2 Weight: 0.65kg / 0.65kg
BF-FLF57-L1SW/ L2SW Weight: 0.75kg / 0.9kg

BF-FLF57-L Series Common Planetary Gearbox Specification:

Model	/	BF-FLF57-L1			BF-FLF57-L2
Gear Ratio	/	4	5	10	20	25	50
Gear Trains	/	1			2
Gearbox Length	mm	89.5			102
Rated Torque	N.m	25	25	10	25	25	20
Sundden Stop Torque	N.m	50	50	20	50	50	40
Back Lash	arcmin	≤30 arcmin			≤45 arcmin
Efficiency	%	90			80
Suitable Motor Dimension	mm	Φ8-14 / Φ38.1-2 / F47.4-M4 or Φ6.35-14 / Φ38.1-2 / F47.4-M4			Φ8-14 / Φ38.1-2 / F47.4-M4 or Φ6.35-14 / Φ38.1-2 / F47.4-M4
Rated Input Speed	Rpm	1000			1000
Max Input Speed	Rpm	2000			2000
Average Life Span	h	20000			20000
Axial Force	N	100			200
Radial Force	N	300			400
Noise	dB	≤55			≤55
Protection Level	IP	IP54			IP54
Work Temp.	℃	-20 to +150			-20 to +150
Out Shaft Type	/	Key Shaft Type			Key Shaft Type

BF-FLF57-LSW Series Common Planetary Gearbox Specification:

Model	/	BF-FLF57-L1SW			BF-FLF57-L2SW
Gear Ratio	/	4	5	10	20	25	50
Gear Trains	/	1			2
Gearbox Length	mm	100.3			112.8
Rated Torque	N.m	25	25	10	25	25	20
Sundden Stop Torque	N.m	50	50	20	50	50	40
Back Lash	arcmin	≤30 arcmin			≤45 arcmin
Efficiency	%	90			80
Suitable Motor Dimension	mm	Φ8-22 / Φ38.1-2 / F47.14-M4 or Φ6.35-22 / Φ38.1-2 / F47.14-M4			Φ8-22 / Φ38.1-2 / F47.14-M4 or Φ6.35-22 / Φ38.1-2 / F47.14-M4
Rated Input Speed	Rpm	1000			1000
Max Input Speed	Rpm	2000			2000
Average Life Span	h	20000			20000
Axial Force	N	100			100
Radial Force	N	300			300
Noise	dB	≤55			≤55
Protection Level	IP	IP54			IP54
Work Temp.	℃	-20 to +150			-20 to +150
Out Shaft Type	/	Key Shaft Type			Key Shaft Type

Planetary Gearbox Physical Specification:

Physical Specification
Motor Shaft Type	/	Round Shaft
Gearbox Length	mm	89.5/ 102 , 100.3/112.8
Gearbox Shaft Type	/	Key Shaft Type
Gearbox Shaft Diameter	mm	14
Gearbox Shaft Length	mm	34
Gearbox Key Length	mm	25
Weight	kg	0.65 / 0.65 , 0.75 / 0.90