Part Number	No. of Teeth Z	Ref. Dia. d	Tip Dia. da	Bore H7 di	Max Bore di	Hub Dia. BD	Backlash (mm) jt.e (max)	Backlash (mm) jt.i (min)	I Inertia kgm2	Mass kg	T2 Nm n2100min-1	Right Hand Helix			Left Hand Helix
												PHG-R	Quanity	Add to Basket	PHG-L	Quanity	Add to Basket
PHG0.5-20	20	10.35	11.35	4	4	8.00	0.079	0.037	8.25 x 10-8	0.006	0.34	£12.03			£12.03
PHG0.5-21	21	10.87	11.87	4	4	8.00	0.079	0.037	9.20 x 10-8	0.007	0.36	£12.16			£12.16
PHG0.5-22	22	11.39	12.39	4	4	8.00	0.079	0.037	1.03 x 10-7	0.007	0.37	£12.37			£12.37
PHG0.5-23	23	11.91	12.91	4	4	8.00	0.079	0.037	1.16 x 10-7	0.007	0.39	£12.48			£12.48
PHG0.5-24	24	12.42	13.42	5	5	10.00	0.091	0.044	1.62 x 10-7	0.009	0.41	£12.65			£12.65
PHG0.5-25	25	12.94	13.94	5	5	10.00	0.091	0.044	1.79 x 10-7	0.009	0.43	£12.77			£12.77
PHG0.5-26	26	13.46	14.46	5	5	10.00	0.091	0.044	1.97 x 10-7	0.009	0.56	£12.97			£12.97
PHG0.5-27	27	13.98	14.98	5	5	10.00	0.091	0.044	2.17 x 10-7	0.010	0.58	£13.08			£13.08
PHG0.5-28	28	14.49	15.49	5	5	10.00	0.091	0.044	2.40 x 10-7	0.010	0.60	£13.26			£13.26
PHG0.5-29	29	15.01	16.01	6	7	13.50	0.091	0.044	4.37 x 10-7	0.015	0.62	£13.31			£13.31
PHG0.5-30	30	15.53	16.53	6	7	13.50	0.091	0.044	4.65 x 10-7	0.015	0.73	£13.36			£13.36
PHG0.5-32	32	16.56	17.56	6	7	13.50	0.091	0.044	5.30 x 10-7	0.016	0.78	£13.65			£13.65
PHG0.5-35	35	18.12	19.12	6	7	13.50	0.092	0.043	6.54 x 10-7	0.018	0.85	£14.12			£14.12
PHG0.5-38	38	19.67	20.67	6	10	18.00	0.092	0.043	1.37 x 10-6	0.028	0.93	£14.61			£14.61
PHG0.5-40	40	20.71	21.71	6	10	18.00	0.092	0.043	1.50 x 10-6	0.030	1.25	£14.88			£14.88
PHG0.5-42	42	21.74	22.74	6	10	18.00	0.092	0.043	1.65 x 10-6	0.031	1.31	£15.15			£15.15
PHG0.5-45	45	23.29	24.29	6	10	18.00	0.092	0.043	1.92 x 10-6	0.033	1.40	£15.62			£15.62
PHG0.5-48	48	24.85	25.85	6	10	18.00	0.092	0.043	2.25 x 10-6	0.036	1.50	£16.10			£16.10
PHG0.5-50	50	25.88	26.88	6	10	18.00	0.100	0.047	2.51 x 10-6	0.037	1.95	£16.39			£16.39
PHG0.5-52	52	26.92	27.92	6	12	25.00	0.100	0.047	5.00 x 10-6	0.057	2.03	£16.63			£16.63
PHG0.5-55	55	28.47	29.47	6	12	25.00	0.100	0.047	5.51 x 10-6	0.060	2.15	£16.98			£16.98
PHG0.5-58	58	30.02	31.02	6	12	25.00	0.102	0.046	6.10 x 10-6	0.063	2.27	£17.31			£17.31
PHG0.5-60	60	31.06	32.06	6	12	25.00	0.102	0.046	6.55 x 10-6	0.065	2.67	£17.57			£17.57
PHG0.5-62	62	32.09	33.09	6	12	25.00	0.102	0.046	7.05 x 10-6	0.067	2.76	£17.76			£17.76
PHG0.5-65	65	33.65	34.65	6	12	25.00	0.102	0.046	7.89 x 10-6	0.070	2.89	£18.11			£18.11
PHG0.5-68	68	35.20	36.20	6	12	25.00	0.102	0.046	8.86 x 10-6	0.073	3.03	£18.32			£18.32
PHG0.5-70	70	36.23	37.23	6	12	25.00	0.102	0.046	9.59 x 10-6	0.075	3.11	£18.42			£18.42
PHG0.5-72	72	37.27	38.27	6	12	25.00	0.102	0.046	1.04 x 10-5	0.078	3.20	£18.63			£18.63
PHG0.5-75	75	38.82	39.82	6	12	25.00	0.102	0.046	1.17 x 10-5	0.081	3.34	£18.76			£18.76
PHG0.5-78	78	40.38	41.38	8	16	30.00	0.102	0.046	2.17 x 10-5	0.119	3.47	£19.09			£19.09
PHG0.5-80	80	41.41	42.41	8	16	30.00	0.102	0.046	2.28 x 10-5	0.122	4.60	£19.18			£19.18
PHG0.5-82	82	42.45	43.45	8	16	35.00	0.102	0.046	2.39 x 10-5	0.125	4.71	£19.35			£19.35
PHG0.5-85	85	44.00	45.00	8	16	35.00	0.102	0.046	2.59 x 10-5	0.129	4.89	£19.55			£19.55
PHG0.5-90	90	46.59	47.59	8	16	35.00	0.102	0.046	2.95 x 10-5	0.136	5.17	£19.92			£19.92
PHG0.5-100	100	51.76	52.76	8	16	35.00	0.115	0.097	3.90 x 10-5	0.151	5.89	£20.22			£20.22
PHG0.5-120	120	62.12	63.12	8	16	35.00	0.115	0.097	6.85 x 10-5	0.188	7.07	£24.47			£24.47
PHG0.5-130	130	67.29	68.29	12	25	45.00	0.115	0.097	1.10 x 10-4	0.251	7.66	£27.85			£27.85
PHG0.5-140	140	72.47	73.47	12	25	45.00	0.115	0.097	1.37 x 10-4	0.273	8.25	£29.25			£29.25
PHG0.5-150	150	77.65	78.65	12	25	45.00	0.115	0.097	1.71 x 10-4	0.297	9.03	£32.32			£32.32
PHG0.5-200	200	103.53	104.53	14	30	55.00	0.139	0.066	5.11 x 10-4	0.498	12.17	£39.33			£39.33
PHG0.5-210	210	108.70	109.70	16	40	65.00	0.139	0.066	6.73 x 10-4	0.600	12.77	£40.89			£40.89
PHG0.5-220	220	113.88	114.88	16	40	65.00	0.139	0.066	7.82 x 10-4	0.636	13.38	£42.44			£42.44
PHG0.5-230	230	119.06	120.06	16	40	65.00	0.139	0.066	9.08 x 10-4	0.673	13.99	£44.01			£44.01

DIN 58405 Tooth Thickness tol.
n Efficiency approx. 98%

Standard Part

PHG

0.5

-

50

R

·

·

·

·

·

·

Modified Part

PHG

0.5

-

50

L

H

8

K

T

PHG - Precision Helical Gear Quality Grade 7e DIN 3961/58405 Other Quality Grades available. See Technical Pages

T = 1 x Tapped hole 2T = 2 x Tapped holes. P = 1 x Pin Hole PT = 1 x Pin Hole thru. All threads metric as standard. For sizes and prices see Technical Pages

mn Module - Cut with DIN 867 1.25/0.20/1.0 Ref. Tooth Profile Topping WD = 2.25 x mn

K- Keyway supplied to DIN 6885 - Js9 tolerance. For prices see Technical Pages

Number of Teeth z

To specify different bore enter size required Example: 8 = 8mm H7 etc For prices see Technical Pages

Right Hand Helix (R) runs with Left Hand Helix (L)

Standard Material = 817M40T (28HRC) H = 805M20 Case Hardened (58HRC)#

Options
- Different number of teeth
- Modifications available on request: Other material, boring out, keyways, tapped holes, pin holes.

Accessories
- Clamping sets, screws, keys, dowel pins...

Downloads
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