WPC-CR Series – High Torque Type

Closed Type Component

The WPC-CR Series gearheads combine high torque performance with exceptional positioning accuracy in a compact, fully enclosed design. Each unit integrates a precision cross roller output bearing and robust output flange, delivering smooth, efficient, and reliable motion for demanding automation and robotics applications.

Features:

Zero backlash
Maximum output torque: 23 Nm to 484 Nm
Positioning accuracy
Reduction ratios: 50:1 to 160:1
High torsional rigidity and load capacity
Excellent efficiency and smooth operation
Integrated cross roller output bearing for superior rigidity
Output flange for direct mounting of load

Downloads

Selection Configurator

High Torque Type B2 Catalog

Parts Configuration

* For code details, check Dimensions Table

Ratio Matrix Availability

Frame Size	50 Reduction Ratio	80 Reduction Ratio	100 Reduction Ratio	120 Reduction Ratio	160 Reduction Ratio
35	✔	✔	✔	❌	❌
42	✔	✔	✔	✔	❌
50	✔	✔	✔	✔	✔
63	✔	✔	✔	✔	✔
80	✔	✔	✔	✔	✔

Reducer Specifications

Frame Size	Ratio R^*1	Nominal Output Torque ^*2 [Nm]	Maximum Output Torque ^*3 [Nm]	Emergency Stop Torque ^*4 [Nm]	Nominal Input Speed ^*5 [r/min)	Maximum Input Speed ^*6 [r/min)	Life ^*7 [hours]
35	50	7	23	46	3000	8500	10000
35	80	10	30	61	3000	8500	10000
35	100	10	36	70	3000	8500	10000
42	50	21	44	91	3000	7300	10000
42	80	29	56	113	3000	7300	10000
42	100	31	70	143	3000	7300	10000
42	120	31	70	112	3000	7300	10000
50	50	33	73	127	3000	6500	10000
50	80	44	96	165	3000	6500	10000
50	100	52	107	191	3000	6500	10000
50	120	52	113	191	3000	6500	10000
50	160	52	120	191	3000	6500	10000
63	50	51	127	242	3000	5600	10000
63	80	82	178	332	3000	5600	10000
63	100	87	204	369	3000	5600	10000
63	120	87	217	395	3000	5600	10000
63	160	87	229	408	3000	5600	10000
80	50	99	281	497	3000	4800	10000
80	80	153	395	738	3000	4800	10000
80	100	178	433	841	3000	4800	10000
80	120	178	459	892	3000	4800	10000
80	160	178	484	892	3000	4800	10000

Reduction ratio is to be calculated by the formula in the previous page, using R value in this table.
The maximum allowable value at the input rotation speed of 2000r/min
The maximum torque when starting and stopping.
The maximum torque when it receives shock.
The maximum average input speed.
The maximum input speed.
The life time at the input rotation speed of 2000 r/min and nominal output torque.

Closed Type: Component

WPC-□-□-CR

Frame Size	Weight Kg	Moment of Inertia x10-⁴kgm²
35	0.10	0.0362
42	0.17	0.0831
50	0.26	0.190
63	0.43	0.414
80	0.91	1.54

[mm]

Frame Size	LA	LB	LC	N	LU	LT	LE	LF	LG	LH	LM	SG	SH	SL	W
35	44	38	50	8	3.5	M3	28.5	17.5	6	2	11	14	6	18.5	--
42	54	48	60	16	3.5	M3	32.5	20	6.5	2.5	12.5	18	8	20.7	--
50	62	54	70	16	3.5	M3	33.5	21.5	7.5	3	12	21	12	21.5	4
63	75	67	85	16	4.4	M4	37	24	10	3	13	26	14	21.6	5
80	100	90	110	16	5.5	M5	44	28	14	3	16	26	14	23.6	5

Frame Size	T	SU	SA	SB	SD	M	ST	SV	HD	CA	CB	CX	CY	CZ
35	--	2.5	17	11	23	6	4.5	M3	2.4	C0.3	C0.3	17.1	1	38
42	--	3	19	10	27.2	6	5.5	M3	3	C0.5	C0.3	19	1	45
50	13.8	--	24	16	32	8	5.5	M3	3	C0.5	C0.3	20.5	1.5	53
63	16.3	--	30	20	40	8	6.5	M4	3	C0.5	C0.3	23	1.5	66
80	16.3	--	40	26	52	8	8.8	M5	3.2	C0.5	C0.5	26.8	1.5	86