Bearing	Porous bearing	Rolling bearing
Axial Endplay	≤0.1mm	≤0.1mm
Radial Loading on Output Shaft	≤120N	≤170N
Operating Temperature	-30℃ ~ +100℃

Gearbox Stages	1	2	3	4
Reduction Ratio	4/6	16/24/36	64/96/144/216	256/384/576/864/1296
Max Rated Torque (gf.cm max)	40000	40000	40000	40000
Max Instant Torque (gf.cm max)	120000	120000	120000	120000
Gearbox Efficiency (%)	80	64	51	41
Length (mm)	21.3	29.8	38.3	46.8

Motors (Optional)	Brushed DC motor, Brushless DC motor, Stepper motor
Voltage (Optional)	3-24V
Input Speed	≤15000rpm
Current	400mA max

Model	Rated Speed	Max Speed	Max Rated Torque	Max Instant Torque	Reduction Ratio	Length	Overall Length
	rpm	rpm	gf.cm	gf.cm		mm	mm
ZWBMD028028-4	1658	3000	40000	120000	4	21.3	58.8
ZWBMD028028-6	1105	2000	33000	100000	6	21.3	58.8
ZWBMD028028-16	413	750	40000	120000	16	29.8	67.3
ZWBMD028028-24	276	500	40000	120000	24	29.8	67.3
ZWBMD028028-36	181	333	33000	100000	36	29.8	67.3
ZWBMD028028-64	104	188	40000	120000	64	38.3	75.8
ZWBMD028028-96	69	125	40000	120000	96	38.3	75.8
ZWBMD028028-144	46	83	40000	120000	144	38.3	75.8
ZWBMD028028-216	31	56	33000	100000	216	38.3	75.8
ZWBMD028028-256	26	47	40000	120000	256	46.8	84.3
ZWBMD028028-384	17	31	40000	120000	384	46.8	84.3
ZWBMD028028-576	12	21	40000	120000	576	46.8	84.3
ZWBMD028028-864	8	14	40000	120000	864	46.8	84.3
ZWBMD028028-1296	5	9	33000	100000	1296	46.8	84.3

28mm Brushless Motor

Gearbox Specifications: