1. Product Overview

ZOOMRY CEMA E equal troughing idlers are extra heavy-duty carrying side components with symmetrical three-roller configuration for stable bulk material transport. Built to CEMA E standards for mining, quarrying, and bulk material handling, these Conveyor idlers feature three equal-length rollers at 20°, 35°, or 45° trough angles — providing uniform belt support, consistent material containment, and the highest carrying capacity in the CEMA E idler family.

Equal troughing idlers are the most widely specified carrying side idler — the industry standard for continuous bulk material transport. The symmetrical roller design distributes material weight evenly across the Conveyor Belt, maximizing load capacity while minimizing belt stress at idler junction points. Available with 6-inch and 7-inch diameter rollers for belt widths from 36 to 96 inches.

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2. Equal vs Unequal Troughing: Key Differences

The CEMA E equal troughing idler and unequal troughing idler serve different priorities on the carrying side. Understanding the distinction ensures correct specification for each conveyor section.

Feature	CEMA E Equal Troughing (E10)	CEMA E Unequal Troughing (E2)
Roller Configuration	3 equal-length rollers (symmetrical)	L1 (long center) + L2 (short wings)
Primary Advantage	Maximum load capacity, uniform weight distribution	Enhanced belt tracking, reduced edge wear
Belt Support	Uniform across full belt width	Offset — more support at center
Best For	Standard conveyor sections, uniform materials, max capacity	Irregular materials, tracking-prone sections

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3. Key Features

Symmetrical Equal-Length Rollers — Three identical rollers distribute material weight uniformly, maximizing load capacity and minimizing stress concentrations at idler junction points.

CEMA E Extra Heavy-Duty Rating — 6-inch and 7-inch diameter rollers with reinforced frames for belt widths up to 96 inches — the highest capacity configuration in the idler range.

Three Trough Angles — Available in 20°, 35°, and 45° to match material characteristics and throughput requirements. Higher angles increase cross-sectional area and capacity.

Advanced Labyrinth Sealing — Multi-stage seals protect bearings from dust and moisture in coal handling and cement environments.

Industry Standard Design — The most widely specified carrying side idler, compatible with all CEMA E conveyor structures and easy to source for replacement programs.

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4. Application Scenarios

High-Capacity Mining — Iron ore, copper, and bauxite conveyors in mining operations where maximum tonnage and uniform material loading require equal troughing for consistent belt support.

Overland Conveyors — Long-distance conveyor sections transporting coal, aggregates, and minerals. Equal troughing idlers provide stable, predictable support over kilometers of conveyor length.

Port & Terminal — Port import/export conveyors handling grain, coal, and fertilizer where standardized CEMA E idlers ensure spare parts compatibility across global terminals.

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5. Dimensions – Equal Troughing 20° / 35° / 45°

ZOOMRY CEMA E equal troughing idlers are manufactured to CEMA E industry-standard dimensions with 6-inch and 7-inch roller configurations. Below are the complete specifications for belt widths from 36 to 96 inches at all three standard trough angles:

				6" Roller			7" Roller
Angle	BW	A	B	L	H1	H2	W	H1	H2	W	E	F	K
20°	36	45	47	13 1/4	8 5/8	13 5/16	39 7/16	9 1/8	13 3/4	39 1/8	6	9 1/2	1/2
	42	51	53	15 7/16	9	14 7/16	45 3/4	9 1/2	14 7/8	45 7/16	7 1/2	9 1/2	5/8
	48	57	59	17 1/16	9	14 7/8	50 5/8	9 1/2	15 3/8	50 5/16	7 1/2	9 1/2	5/8
	54	63	65	19 1/16	9	15 3/4	56 7/16	9 1/2	16 1/8	56 1/16	9	11	5/8
	60	69	71 1/2	21 1/16	9	16 1/2	62 3/16	9 1/2	16 3/4	61 7/8	9	11	5/8
	72	81	83 1/2	26	9 1/2	18 3/8	76 3/16	10	18 7/8	75 13/16	9	11	5/8
	84	93	95 1/2	29 1/2	11 3/4	22 1/16	88 1/16	12 1/4	22 3/8	88 1/2	12	14	3/4
	96	105	107 1/2	33 1/2	11 3/4	23 7/16	99 5/8	12 1/4	23 3/4	100 1/16	12	14	3/4
35°	36	45	47	13 1/4	8 5/8	16 3/8	35 15/16	9 1/8	16 13/16	35 7/16	6	9 1/2	1/2
	42	51	53	15 7/16	9	18 1/16	41 3/4	9 1/2	18 7/16	41 3/16	7 1/2	9 1/2	5/8
	48	57	59	17 1/16	9	18 7/8	45 13/16	9 1/2	19 1/4	45 1/4	7 1/2	9 1/2	5/8
	54	63	65	19 1/16	9	20	51 1/8	9 1/2	20 7/16	50 1/2	9	11	5/8
	60	69	71 1/2	21 1/16	9	21 3/16	56 3/8	9 1/2	21 9/16	55 13/16	9	11	5/8
	72	81	83 1/2	26	9 1/2	24 7/16	69 9/16	10	24 7/8	69 1/16	9	11	5/8
	84	93	95 1/2	29 1/2	11 3/4	29 1/16	79 11/16	12 1/4	29 3/8	79 1/8	12	14	3/4
	96	105	107 1/2	33 1/2	11 3/4	31 1/8	90 5/8	12 1/4	31 7/16	85 1/16	12	14	3/4
45°	36	45	47	13 1/4	8 5/8	18 3/16	33 1/8	9 1/8	18 9/16	32 5/16	6	9 1/2	1/2
	42	51	53	15 7/16	9	20 1/8	38 7/16	9 1/2	20 1/2	37 11/16	7 1/2	9 1/2	5/8
	48	57	59	17 1/16	9	21 3/16	42 1/16	9 1/2	21 9/16	41 3/8	7 1/2	9 1/2	5/8
	54	63	65	19 1/16	9	22 7/8	46 15/16	9 1/2	23	46 3/16	9	11	5/8
	60	69	71 1/2	21 1/16	9	24 1/16	51 3/4	9 1/2	24 3/8	51	9	11	5/8
	72	81	83 1/2	26	9 1/2	28	63 15/16	10	28 5/16	63 1/4	9	11	5/8
	84	93	95 1/2	29 1/2	11 3/4	32 3/4	72 13/16	11 3/4	33 1/16	73 1/4	12	14	3/4
	96	105	107 1/2	33 1/2	11 3/4	35 9/16	82 1/4	11 3/4	35 7/8	82 11/16	12	14	3/4

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