4B Gripbelt Sheaves with Split Taper Bushings for Use with All “A” and “B” Section Belts

4B series pulleys are manufactured for A, AX, AA, 4L, B, BX, BB, and 5L v-belts, ranging from 5.75" to 38.35" in diameter. Depending on the pulley size, they are made to use with R1 taper bushings or Q1 taper bushings, which we also stock. Most of our four-groove 4B split taper bushed pulleys are manufactured from a high-strength grade 35 cast iron, are phosphate-coated, and are painted for anti-corrosion. All of them are balanced at the factory for smooth machinery operation.

4B Style Pulley Size Chart

Size	Bushing Type	Pitch Diameter (4L/A)	Pitch Diameter (5L/B)	Outside Diameter	Type	(O.L.)	(L)	(P)	(C)	(H)	(F)	(G)	(X)	(E)	Pulley Weight (LBS)
4B54Q	Q1	5.0"	5.4"	5.75"	5	4-9/32"	2-1/2"	3/4"	1-1/2"	4-1/8"	3-1/4"	--	1-3/4"	9/32"	9.3
4B56Q	Q1	5.2"	5.6"	5.95"	5	4-9/32"	2-1/2"	3/4"	1-1/2"	4-1/8"	3-1/4"	--	1-3/4"	9/32"	10.5
4B58Q	Q1	5.4"	5.8"	6.15"	13	3-17/32"	2-1/2"	0	3/4"	4-1/8"	3-1/4"	3/4"	1-3/4"	9/32"	11.5
4B60Q	Q1	5.6"	6.0"	6.35"	13	3-17/32"	2-1/2"	0	3/4"	4-1/8"	3-1/4"	3/4"	1-3/4"	9/32"	12.6
4B62Q	Q1	5.8"	6.2"	6.55"	13	3-17/32"	2-1/2"	0	3/4"	4-1/8"	3-1/4"	3/4"	1-3/4"	9/32"	12.6
4B64Q	Q1	6.0"	6.4"	6.75"	13	3-17/32"	2-1/2"	0	3/4"	4-1/8"	3-1/4"	3/4"	1-3/4"	9/32"	14.1
4B66Q	Q1	6.2"	6.6"	6.95"	13	3-17/32"	2-1/2"	0	3/4"	4-1/8"	3-1/4"	3/4"	1-3/4"	9/32"	14.8
4B68Q	Q1	6.4"	6.8"	7.15"	13	3-17/32"	2-1/2"	0	3/4"	4-1/8"	3-1/4"	3/4"	1-3/4"	9/32"	16.9
4B154R	R1	15.0"	15.4"	15.75"	13	3-25/32"	2-7/8"	1/4"	5/8"	5-3/8"	3-1/4"	7/8"	2"	9/32"	40.1
4B160R	R1	15.6"	16.0"	16.35"	13	3-25/32"	2-7/8"	1/4"	5/8"	5-3/8"	3-1/4"	7/8"	2"	9/32"	44.0
4B184R	R1	18.0"	18.0"	18.75"	13	3-25/32"	2-7/8"	1/4"	5/8"	5-3/8"	3-1/4"	7/8"	2"	9/32"	50.3
4B200R	R1	19.5"	20.0"	20.35"	13	3-25/32"	2-7/8"	1/4"	5/8"	5-3/8"	3-1/4"	7/8"	2"	9/32"	54.0
4B250R	R1	24.5"	25.0"	25.35"	13	3-25/32"	2-7/8"	1/4"	5/8"	5-3/8"	3-1/4"	7/8"	2"	9/32"	71.0
4B300R	R1	29.5"	30.0"	30.35"	13	3-25/32"	2-7/8"	1/4"	5/8"	5-3/8"	3-1/4"	7/8"	2"	9/32"	99.0
4B380R	R1	37.5"	38.0"	38.35"	13	3-25/32"	2-7/8"	1/4"	5/8"	5-3/8"	3-1/4"	7/8"	2"	9/32"	126.0

How To Measure V-Belt Pulleys | Sizes & Dimensions

One of the ever-growing and most widely used product types in the power transmission and automotive industries is the V-belt pulley, also known as the “sheave.” A V-belt pulley is an attachment that transfers energy between axles with the help of a V-belt. However, to keep this critical pair of devices functioning correctly, one must secure the appropriate V-belt pulley replacement when an older one gets worn down. To do this, you need to know the size, dimensions, and type of your V-belt pulley so that the replacement will operate adequately. Learning to measure a V-belt pulley’s size and calculate its dimensions are simple tasks; however, correctly identifying a V-belt pulley type can be complex. V-belt pulleys come in various styles and options, including A-section, B-section, C-section, D-section, 3V-section, 5V-section, 8V-section, variable pitch, double groove, and metric pulleys. We stock over 8,000 different V-belt pulleys alone.

Applications of V-belt Pulley

V-belt pulleys are widely used in the power output of small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging presses, some small horsepower motorcycle power transmission, agricultural machinery power, etc. Gearbox, air compressor, reducer, reducer, generator, etc.

Compressors	Oil and Gas
Marine	Electric Machinery

Technological Processing

Company Profile

Raydafon is a professional manufacturer of mechanical parts. Our main products are belt pulleys, sprockets, taper sleeves, coupling, and other transmission parts. Its products are mainly exported to Germany, Britain, France, and other European countries, with an annual export value of 18 million U.S. dollars, accounting for more than 65% of the total output. The annual output value reached 200 million yuan.Our products all adopt international, European, and American advanced industrial standards, use precise and good processing equipment, develop reasonable production technology, apply efficient and flexible management systems, and improve the quality management system to ensure that the product quality is good and the price is affordable.Our factory adheres to the enterprise concept of "quality: the basis of enterprise survival, integrity: the basis of enterprise development, service: the source of enterprise development, low price: the instrument of enterprise development." We are always looking forward to the presence of customers at home and abroad, seeking win-win benefits and joint cause development.

Warehouse Stock

The warehouse covers an area of 5000 square meters and can provide all kinds of standard models A/B/C/Z, with complete quantity and large quantity in stock. Meanwhile, it accepts all sorts of non-standard customization for drawing production. The daily production capacity is 10 tons, and the delivery time is short.

Packaging & Shipping

Experienced Workers Packing Pulleys Carefully, safe wooden cases keep parts from being injured or damaged during sea or air shipment.