ZS/ZSH Speed Reducers

ZS and ZSH Series Of Cylindrical Gear Reducers

Overall Dimension, Assembling Size and Installing Form

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Type		Center Space				Center Height	Outline Size			B₁	B₂	L₁	L₂	L₃	H₁	Foundation Screw
Type		a	a₁	a₂	a₃	H₀	H	L	B	B₁	B₂	L₁	L₂	L₃	H₁	d	n	B₃	L₄	L₅	L₆	L₇	L₈
ZSH50	ZS50	500	100	150	250	300	588	910	346	346	90	760	-19	124	25	M20	8	280	15	150	240	300	-
65	65	650	150	200	300	350	688	1155	400	400	100	955	-13	155	30	M24	8	330	25	220	260	400	-
75	75	750	150	250	350	400	821	1305	460	460	105	1110	-23	160	35	M24	10	390	35	220	320	330	130
82.5	82.5	825	175	250	400	450	916	1450	500	500	110	1230	-22	180	38	M30		420	30	230	320	380	195
95	95	950	200	300	450	500	1016	1625	570	570	120	1360	21	180	40	M30		480	70	280	350	380	250
110	110	1100	250	350	500	550	1116	1865	620	620	130	1582	0	211	45	M36		530	55	345	435	430	260
125	125	1250	250	400	600	650	1306	2115	710	710	145	1745	77	218	50	M36		610	130	300	510	490	330
145	145	1450	300	450	700	750	1496	2440	785	785	145	2040	72	245	55	M42		700	135	365	585	570	390
165	165	1650	350	500	800	850	1691	2760	845	845	160	2305	102	267	60	M42		740	165	415	640	650	460

Type		High-Speed Axle				S	S₁	Low-Speed Axle				T	Installing Form IV-V						Max. Weight
Type		I	D	b	t	S	S₁	I₁	D₁	b₁	t₁	T	T₁	d₄	D₂	d₈	d₉	h₂	Max. Weight
ZSH50	ZS50	55	25	8	28	280	290	105	70	20	74.5	355	210	75	25	40	M6	15	325
65	65	55	30	8	33	305	317	115	85	24	90	390	235	95	75	55	M8	20	580
75	75	55	30	8	33	335	347	140	100	28	106	450	270	110					825
82.5	82.5	55	35	10	38	355	367	140	110	32	117	470	290	120					1105
95	95	70	40	12	43	415	425	165	130	36	138	540	325	140					1445
110	110	85	50	16	54	455	466	180	140	36	148	580	350	150					2100
125	125	85	50	16	54	500	511	200	170	40	179	655	395	180					2911
145	145	105	60	18	64	560	571	240	200	45	210	735	435	220					4020
165	165	105	70	20	74.5	605	613	280	220	50	231	805	465	240					5720

Transmission Ratio

Code Name of Transmission Ratio

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Total Transmission Ratio

50

56

63

71

80

90

100

112

125

140

160

180

200

224

250

280

Load Capacity

Size

50

56

63

71

80

90

100

112

125

140

160

180

200

224

250

280

Type

Working   Type

Rotating Speed Ratio n=1000（r/m）

ZS50

Moderate   Duty

6.46

5.75

5.06

5.06

4.41

3.81

3.28

2.85

2.65

2.37

2.12

1.89

1.67

1.39

1.24

1.1

Successive

3.7

3.3

2.96

2.65

2.32

2.06

1.86

1.66

1.37

1.23

1.09

0.973

0.864

0.718

0.637

0.567

ZS65

Moderate   Duty

12.5

11.1

9.98

8.92

7.81

6.95

6.25

5.59

4.58

4.1

3.66

3.26

2.89

2.4

2.13

1.9

Successive

6.38

5.7

5.11

4.57

4

3.56

3.2

2.86

2.36

2.12

1.89

1.68

1.49

1.24

1.1

0.979

ZS75

Moderate   Duty

19.7

17.6

15.8

14.1

12.4

11

9.92

8.86

7.26

6.51

5.81

5.17

4.59

3.82

3.39

3.1

Successive

10.1

9.04

8.11

7.25

6.35

5.65

5.09

4.54

3.75

3.36

3

2.67

2.37

1.97

1.75

155

ZS82.5

Moderate   Duty

29.4

26.3

23.6

21.1

18.5

16.4

14.8

13.2

10.8

9.71

8.67

7.71

6.85

5.7

5.06

4.49

Successive

15.1

13.5

12.1

10.8

9.47

8.42

7.58

6.78

5.59

5.01

4.47

3.98

3.53

2.94

2.61

2.32

ZS95

Moderate   Duty

41.8

37.4

33.6

30

26.3

23.4

21.1

18.8

15.4

13.8

12.3

11

9.75

8.11

7.2

6.4

Successive

21.4

19.2

17.2

15.4

13.5

12

10.8

9.64

7.95

7.13

6.37

5.66

5.03

4.18

3.71

3.3

ZS110

Moderate   Duty

57.3

51.3

46

41.1

36

32.1

28.9

25.8

21.1

18.9

16.9

15.1

13.4

11.1

9.87

8.77

Successive

29.4

26.3

23.6

21.1

18.5

16.4

14.8

13.2

10.9

9.78

8.73

7.77

6.9

5.73

5.09

4.53

ZS125

Moderate   Duty

94

84.2

74.4

70.9

62.1

55.3

48.9

42.7

36.5

32.7

29.2

26

23.1

19.2

17

15.2

Successive

50.6

45.3

40.6

36.3

31.8

28.3

25.5

22.8

18.8

16.9

15.1

13.4

11.9

9.9

8.79

7.82

ZS145

Moderate   Duty

156

140

126

112

98.5

87.7

79

70.6

57.8

51.9

46.4

41.2

36.6

30.5

27

24.1

Successive

80.1

71.7

64.4

57.6

50.5

44.9

40.5

36.2

29.8

26.8

23.9

21.3

18.9

15.7

14

12.4

ZS165

Moderate   Duty

233

208

187

167

147

131

118

105

86.2

77.4

69.1

61.5

54.6

45.4

40.3

35.9

Successive

119

107

95.8

85.7

75.2

66.9

60.3

53.9

44.5

39.9

35.7

31.7

28.2

23.4

20.8

18.5

Size		50	56	63	71	80	90	100	112	125	140	160	180	200	224	250	280
Type	Working Type	Rotating Speed Ratio n=1000（r/m）
ZS50	Moderate Duty	8.54	7.62	6.72	6.72	5.86	5.08	4.38	3.81	3.81	3.56	3.18	2.69	2.51	2.09	1.85	1.65
ZS50	Successive	5.53	4.94	4.43	3.96	3.47	3.09	2.78	2.48	2.05	1.84	1.64	1.460	1.29	1.08	0.955	0.849
ZS65	Moderate Duty	18.6	16.6	14.9	13.3	11.7	10.4	9.36	8.36	6.85	6.14	5.49	4.88	4.33	3.6	3.2	2.84
ZS65	Successive	9.53	8.52	7.64	6.83	5.99	5.32	4.8	4.29	3.53	3.17	2.83	2.52	2.23	1.86	1.65	1.47
ZS75	Moderate Duty	27.8	24.9	22	21.1	18.5	16.5	14.4	12.6	10.9	9.75	8.71	7.74	6.87	5.72	5.08	4.51
ZS75	Successive	15.1	13.5	12.1	10.8	9.49	8.45	7.61	6.8	5.61	5.03	4.49	4	3.55	2.95	2.62	2.33
ZS82.5	Moderate Duty	40.7	37.8	34.4	31.2	27.6	24.6	22.1	19.8	16.2	14.5	13	11.6	10.3	8.53	7.57	6.73
ZS82.5	Successive	22.5	20.1	18.1	16.1	14.1	12.6	11.3	10.1	8.36	7.5	6.7	5.96	5.29	4.4	3.91	3.47
ZS95	Moderate Duty	62.3	55.8	50.1	44.8	39.3	34.9	31.5	28.1	23.1	20.7	18.5	16.4	14.6	12.1	10.8	9.59
ZS95	Successive	31.9	28.6	25.7	22.9	20.1	17.9	16.1	14.4	11.9	10.7	9.53	8.48	7.53	6.26	5.56	4.59
ZS110	Moderate Duty	85.3	76.4	68.6	61.3	53.8	47.9	43.1	38.6	31.6	28.3	25.3	22.5	20	16.6	14.8	13.1
ZS110	Successive	43.7	39.1	35.1	31.4	27.6	24.5	22.1	19.8	16.3	14.6	13.1	11.6	10.3	8.59	7.63	6.78
ZS125	Moderate Duty	121	108	96.2	96.2	84.5	73.7	63.9	56	54.5	48.9	43.7	38.9	34.5	28.7	25.5	22.7
ZS125	Successive	75.2	67.3	60.5	54.1	47.6	42.3	38.1	34.1	28.1	25.2	22.6	20.1	17.8	14.8	13.2	11.7
ZS145	Moderate Duty	220	198	162	162	142	124	108	94.8	86.4	77.5	69.3	61.7	54.8	45.6	40.5	36
ZS145	Successive	119	107	95.7	85.7	75.2	67	60.4	54	44.6	40	35.8	31.8	28.3	23.5	20.9	18.6
ZS165	Moderate Duty	310	290	272	241	218	193	168	140	129	116	103	91.9	81.7	68	60.4	53.7
ZS165	Successive	177	158	142	127	122	99.7	90	80.5	66.4	59.6	53.3	47.4	42.1	35.1	31.1	27.7

Cylindrical Gear Reducers >> ZS/ZSH Speed Reducers