BF-HPR42 Series High Precision Planetary Gearbox

The size of this gearbox is 42 x 42mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to HPR series gearbox, it with gear ratio 3:1 / 4:1 / 5:1 / 7:1 / 10:1/ 16:1 / 20:1 / 25:1 / 28:1 / 35:1 / 40:1 / 50:1 / 70:1 /100:1 and a maximum 15arc-min~20arc-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 and brushless dc motor.

Gearbox Specifications:

Model: BF-HPR42-L/LSW Series
Gearbox Type: Planetary Gearbox
Gear Ratio: 3:1 / 4:1 / 5:1 / 7:1 / 10:1/ 16:1 / 20:1 / 25:1 / 28:1 / 35:1 / 40:1 / 50:1 / 70:1 /100:1
Efficiency: 96% / 94%
Backlash: ≤15 arcmin - 20 arcmin
Rated Torque: 5N.m - 12N.m
Sundden Stop Torque: 10N.m - 24N.m
Shaft Maximum Axial Load: 100N
Shaft Maximum Radial Load: 300N
Rated Input Speed: 3000rpm
Max Input Speed: 6000rpm
Average Life Span: 20000h
Noise: ≤65dB
Protection Level: iP54

Physical Specifications:

Gearbox Length: L: 61.5mm / 72.5mm,LSW: 76.5mm / 87.5mm
Gearbox Shaft Diameter: Φ8mm
Gearbox Shaft Length: 21.5mm
Gearbox Key Length: 14mm
BF-HPR42-L1/L2 Weight: 0.25kg / 0.35kg
BF-HPR42-L1SW /L2SW Weight: 0.29kg / 0.38kg

BF-HPR42-L Planetary Gearbox Specification:

Model	/	JK-HPR42-L1					JK-HPR42-L2
Gear Ratio	/	3	4	5	7	10	15	16	20	25	28	30	35	40	45	50	70	100
Gear Trains	/	1					2
Gearbox Length	mm	61.5					72.5
Rated Torque	N.m	8	9	9	5	5	10	12	12	10	10	10	10	10	10	10	10	5
Sundden Stop Torque	N.m	16	18	18	10	10	20	24	24	20	20	20	20	20	20	20	20	10
Back Lash	arcmin	≤15 arcmin					≤20 arcmin
Efficiency	%	96					94
Suitable Motor Dimension	mm	Φ5-10 / Φ22-2 / F31-M3					Φ5-10 / Φ22-2 / F31-M3
Rated Input Speed	Rpm	3000					3000
Max Input Speed	Rpm	6000					6000
Average Life Span	h	20000					20000
Axial Force	N	100					100
Radial Force	N	300					300
Noise	dB	≤55					≤65
Protection Level	IP	IP54					IP54
Work Temp.	℃	-20 to +150					-20 to +150
Out Shaft Type	/	Key Shaft Type					Key Shaft Type

BF-HPR42-LSW Planetary Gearbox Specification:

Model	/	JK-HPR42-L1SW					JK-HPR42-L2SW
Gear Ratio	/	3	4	5	7	10	15	16	20	25	28	30	35	40	50	70	100
Gear Trains	/	1					2
Gearbox Length	mm	76.5					87.5
Rated Torque	N.m	8	9	9	5	5	10	12	12	10	10	12	10	10	10	10	5
Sundden Stop Torque	N.m	16	18	18	10	10	20	24	24	20	20	24	20	20	20	20	10
Back Lash	arcmin	≤15 arcmin					≤20 arcmin
Efficiency	%	96					94
Suitable Motor Dimension	mm	Φ5-24 / Φ22-2 / F31-M3					Φ5-24 / Φ22-2 / F31-M3
Rated Input Speed	Rpm	3000					3000
Max Input Speed	Rpm	6000					6000
Average Life Span	h	20000					20000
Axial Force	N	100					100
Radial Force	N	300					300
Noise	dB	≤65					≤65
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	61.5/72.5 , 76.5 / 87.5
Gearbox Shaft Type	/	Key Shaft Type
Gearbox Shaft Diameter	mm	8
Gearbox Shaft Length	mm	21.5
Gearbox Key Length	mm	14
Number of Leads	/	4
Lead Length	mm	300
Weight	kg	0.25/0.35 , 0.29/0.38