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Products: Gearheads: Prime:

		Prime Planetary Features
		True planetary design Low backlash design Input pinion with balanced clamp collar Quick installation Strong, caged roller bearings High reliability design High strength steels High shaft loading capacity Viton O-Ring sealed at each joint Sealed ball bearings High efficieny design All gears are heat-treated NEMA mounting standards Construction highlights
		NEMA Frame Sizes
		NEMA 17 NEMA 23 NEMA 34 NEMA 42 NEMA 56 and 75 also available: consult factory for details.

Motor Mounting Prime Planetary gearheads are offered as standard to fit NEMA motor flanges. They can be machined to mount to almost any motor and motor mounting hardware is included with each gearhead. Please supply the drawing of your motor when ordering.

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NEMA 17 Output Flange

Model	Ratio	Torque Rating		Inertia		Backlash	Efficiency	Dimensions
		Tcont* (in-lbs)	Tpeak (in-lbs)	Input Pinion (oz-in-sec2)	Gearbox (oz-in-sec2)	arc-min (std/low)
Single Stage
17PL003	3:1	167	261	2.163E-04	1.669E-04	6/3	90%	PDF
17PL004	4:1	158	248	1.352E-04	1.053E-04	6/3
17PL005	5:1	148	231	1.203E-04	6.954E-05	6/3
17PL005.5	5.5:1	143	223	1.174E-04	5.870E-05	6/3
17PL007	7:1	119	158	1.143E-04	3.692E-05	6/3
17PL010	10:1	56	84	1.132E-04	1.833E-05	6/3
Double Stage
17PL015	15:1	178	277	1.203E-04	7.482E-05	10/5	85%	PDF
17PL016	16:1	169	264	1.352E-04	1.045E-04	10/5
17PL020	20:1	170	266	1.203E-04	6.906E-05	10/5
17PL022	22:1	171	267	1.174E-04	5.830E-05	10/5
17PL025	25:1	159	247	1.203E-04	6.699E-05	10/5
17PL028	28:1	172	269	1.143E-04	3.667E-05	10/5
17PL030	30:1	183	285	1.132E-04	1.965E-05	10/5
17PL040	40:1	174	272	1.132E-04	1.821E-05	10/5
17PL049	49:1	127	199	1.143E-04	3.479E-05	10/5
17PL050	50:1	161	251	1.132E-04	1.770E-05	10/5
17PL055	55:1	156	243	1.132E-04	1.755E-05	10/5
17PL070	70:1	128	201	1.132E-04	1.729E-05	10/5
17PL100	100:1	52	77	1.132E-04	1.708E-05	10/5

*T_cont: Output Torque is rated at 3000 rpm and a minimum life of 10,000 hours.

Dimensions

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NEMA 23 Output Flange

Model	Ratio	Torque Rating		Inertia		Backlash	Efficiency	Dimensions
		Tcont* (in-lbs)	Tpeak (in-lbs)	Input Pinion (oz-in-sec2)	Gearbox (oz-in-sec2)	arc min (std/low)
Single Stage
23PL003	3:1	380	594	1.194E-03	4.866E-04	6/3	90%	PDF
23PL004	4:1	360	562	9.502E-04	3.113E-04	6/3
23PL005	5:1	331	518	9.044E-04	2.064E-04	6/3
23PL005.5	5.5:1	317	496	8.969E-04	1.746E-04	6/3
23PL007	7:1	263	411	8.880E-04	1.100E-04	6/3
23PL010	10:1	119	179	8.846E-04	5.471E-05	6/3
Double Stage
23PL015	15:1	396	619	9.044E-04	2.355E-04	10/5	85%	PDF
23PL016	16:1	376	587	9.502E-04	3.287E-04	10/5
23PL020	20:1	378	591	9.044E-04	2.175E-04	10/5
23PL022	22:1	380	594	8.969E-04	1.838E-04	10/5
23PL025	25:1	347	543	9.044E-04	2.110E-04	10/5
23PL028	28:1	384	600	8.880E-04	1.157E-04	10/5
23PL030	30:1	408	639	8.846E-04	6.200E-05	10/5
23PL040	40:1	388	607	8.846E-04	5.749E-05	10/5
23PL049	49:1	286	447	8.880E-04	1.098E-04	10/5
23PL050	50:1	361	564	8.846E-04	5.586E-05	10/5
23PL055	55:1	347	542	8.846E-04	5.543E-05	10/5
23PL070	70:1	288	450	8.846E-04	5.460E-05	10/5
23PL100	100:1	110	164	8.846E-04	5.393E-05	10/5

*T_cont: Output Torque is rated at 3000 rpm and a minimum life 10,000 hours.

Dimensions

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NEMA 34 Output Flange

Model	Ratio	Torque Rating		Inertia		Backlash	Efficiency	Dimensions
		Tcont* (in-lbs)	Tpeak (in-lbs)	Input Pinion (oz-in-sec2)	Gearbox (oz-in-sec2)	arc min (std/low)
Single Stage
34PL003	3:1	1285	2008	4.901E-03	4.672E-03	6/3	90%	PDF
34PL004	4:1	1219	1905	2.522E-03	2.833E-03	6/3
34PL005	5:1	1148	1795	2.115E-03	1.875E-03	6/3
34PL005.5	5.5:1	1113	1740	2.040E-03	1.585E-03	6/3
34PL007	7:1	935	1461	1.955E-03	9.983E-04	6/3
34PL010	10:1	552	828	1.923E-03	4.961E-04	6/3
Double Stage
34PL015	15:1	1381	2158	2.115E-03	2.033E-03	10/5	85%	PDF
34PL016	16:1	1315	2055	2.522E-03	2.824E-03	10/5
34PL020	20:1	1324	2069	2.115E-03	1.869E-03	10/5
34PL022	22:1	1333	2083	2.040E-03	1.580E-03	10/5
34PL025	25:1	1244	1945	2.115E-03	1.810E-03	10/5
34PL028	28:1	1346	2103	1.955E-03	9.952E-04	10/5
34PL030	30:1	1430	2235	1.923E-03	5.355E-04	10/5
34PL040	40:1	1364	2132	1.923E-03	4.946E-04	10/5
34PL049	49:1	1015	1587	1.955E-03	9.417E-04	10/5
34PL050	50:1	1267	1980	1.923E-03	4.799E-04	10/5
34PL055	55:1	1232	1925	1.923E-03	4.759E-04	10/5
34PL070	70:1	1027	1605	1.923E-03	4.684E-04	10/5
34PL100	100:1	507	761	1.923E-03	4.623E-04	10/5

Motor mounting hardware supplied
Efficiency: Single Stage = 90%; Double Stage = 85%
*T_cont: Output Torque is rated at 3000 rpm and a minimum life 10,000 hours.

Dimensions

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NEMA 42 Output Flange

Model	Ratio	Torque Rating		Inertia		Backlash	Efficiency	Dimensions
		Tcont* (in-lbs)	Tpeak (in-lbs)	Input Pinion (oz-in-sec2)	Gearbox (oz-in-sec2)	arc min (std/low)
Single Stage
42PL003	3:1	2301	3597	1.680E-02	1.641E-02	6/3	90%	PDF
42PL004	4:1	2195	3430	1.032E-02	1.049E-02	6/3
42PL005	5:1	2079	3249	9.201E-03	6.945E-03	6/3
42PL005.5	5.5:1	2021	3159	8.997E-03	5.878E-03	6/3
42PL007	7:1	1711	2673	8.766E-03	3.704E-03	6/3
42PL010	10:1	1122	1684	8.680E-03	1.841E-02	6/3
Double Stage
42PL015	15:1	2485	3884	9.201E-03	7.783E-03	10/5	85%	PDF
42PL016	16:1	2379	3717	1.032E-02	1.101E-02	10/5
42PL020	20:1	2397	3745	9.201E-03	7.286E-03	10/5
42PL022	22:1	2414	3772	8.997E-03	6.156E-03	10/5
42PL025	25:1	2263	3536	9.201E-03	7.101E-03	10/5
42PL028	28:1	2438	3811	8.766E-03	3.875E-03	10/5
42PL030	30:1	2579	4032	8.680E-03	2.050E-03	10/5
42PL040	40:1	2473	3865	8.680E-03	1.925E-03	10/5
42PL049	49:1	1867	2918	8.766E-03	3.706E-03	10/5
42PL050	50:1	2308	3606	8.680E-03	1.879E-03	10/5
42PL055	55:1	2250	3516	8.680E-03	1.866E-03	10/5
42PL070	70:1	1890	2953	8.680E-03	1.843E-03	10/5
42PL100	100:1	1031	1547	8.680E-03	1.823E-03	10/5

Motor mounting hardware supplied
Efficiency: Single Stage = 90%; Double Stage = 85%
*T_cont: Output Torque is rated at 3000 rpm and a minimum life 10,000 hours.

Dimensions

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