Main » Reducers and motor-reducers » Cylindrical crane gearboxes » Cylindrical crane reducers C2-250 … C2-1000

Cylindrical crane reducers C2-250 … C2-1000

They allow the mechanism to function even under the highest loads

Two-stage cylindrical crane gearbox C2 (C2-250, C2-300, C2-350, C2-400, C2-500, C2-650, C2-750, C2-1000) is used in lifting machines, as well as for changing torques and rotation frequency as a component of various types of mechanisms.

The use of this standard size is allowed in temperate climates (U), arid and humid tropical places (T). It is allowed to use outdoors under a canopy in closed rooms with a regulated microclimate.

Conditions of use:

rotation of shafts in both directions;
climatic conditions U, T, accommodation category-2,3 according to GOST 15150-69;
non-aggressive environment, moderate dustiness and humidity;
input shaft rotation frequency – no more than 1500 rpm;
the recommended use is the range of gear ratios from 8 to 50.

Main technical characteristics of C2 gearboxes

Name technical characteristics	Unit measurement	Type size
Name technical characteristics	Unit measurement	C2-250	C2-300	C2-350	C2-400	C2-500	C2-650	C2-750	C2-1000
Transmission numbers		8; 10; 12,5; 16; 20; 25; 31,5; 40; 50
Allowable radial cantilever load on the idler shaft	R	6300	8000	10000	10000	14000	20000	32000	80000
Nominal torque, on the output shaft	N.t	825	1180	1750	3350	5450	14500	23000	54000
Efficiency	%	0,96
Маss	kg	87	138	210	315	500	1100	1650	3700

Overall and connecting dimensions

Тype size	А_мас	A_wb	А	A ₁	Б	Х	H₁	ch	h₁	L	L₁	L₂	L₃	L₄	L₅	d	p
C2-250	150	100	285	210	260	310	160	18	–	515	400	75	183	220	280	22	4
C2-300	175	125	350	250	300	362	190	22	–	620	475	90	215	255	300	26	4
C2-350	200	150	400	280	330	410	212	25	–	700	550	100	238	300	345	26	6
C2-400	250	150	500	320	380	505	265	27	–	805	640	150	286	325	375	33	6
C2-500	300	200	640	360	440	598	315	30	–	985	785	190	340	390	445	39	6
C2-650	400	250	780	470	560	695	315	36	95	1270	910	190	443	480	550	39	8
C2-750	450	300	900	560	650	783	355	40	100	1455	1040	225	494	570	645	46	8
C2-1000	600	400	1200	760	860	1018	450	45	155	1905	1400	300	645	740	805	52	8

Connecting dimensions of conical shafts

Тype size	high-speed shaft						idler shaft
Тype size	d	d1	l	l1	b	t	d	d1	l	l1	b	t
C2-250	30	М20х1,5	80	58	5	15,55	65	М42х3,0	140	105	16	33,88
C2-300	35	М20х1,5	80	58	6	18,55	75	M48x3.0	140	105	18	38,88
C2-350	40	М24х2,0	110	82	10	20,9	85	М56х4,0	170	130	20	43,75
C2-400	50	М36х3,0	110	82	12	25,95	95	М64х4,0	170	130	22	48,75
C2-500	60	М42х3,0	140	105	16	31,38	110	М80х4,0	210	165	25	55,88
C2-650	70	M48x3.0	140	105	18	36,38	140	М100х4,0	250	200	32	72
C2-750	80	М56х4,0	170	130	20	41,25	170	М125х4,0	300	240	40	88
C2-1000	100	М72х4,0	210	165	25	50,88	220	М140х4,0	350	280	50	114

Connecting dimensions of low-speed cylindrical shafts

Type size	idler shaft
Type size	d	d1	d2	l	l1	b	t	p	L
C2-250	65r6	32	M10	105	20	18	71	2	255
C2-300	75r6	50	M12	105	22	20	82	2	280
C2-350	85r6	50	M12	130	22	22	93	2	320
C2-400	95r6	50	M12	130	22	25	104	2	350
C2-500	110s6	80	M12	165	22	28	120	3	410
C2-650	140s6	80	M12	200	22	36	152	3	510
C2-750	170s6	105	М16	240	26	40	184	3	595
C2-1000	220s6	140	М20	280	32	50	237	3	745

Connecting dimensions of the low-speed shaft in the form of a toothed half-coupling

Type size	b	d	d1	d2	L	l	l1	Engaging
Type size	b	d	d1	d2	L	l	l1	м	z
C2-250	20	147	72F8	95	198	8	38	3,5	40
C2-300	25	210	80F8	105	227	9,5	50	5	40
C2-350	30	252	110F8	140	255	10	60	6	40
C2-400	30	252	110F8	140	280	10	60	6	40
C2-500	40	336	150F8	215	330	15	65	8	40
C2-650	50	420	160F8	230	410	15	70	10	40
C2-750	60	504	200F8	290	480	20	90	12	40
C2-1000	80	672	320F8	445	645	25	130	16	40

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