• Incorporates Browning Split Taper Bushing - The only bushing system that provides a true Key-to-Key drive to both the shaft and the hub.
• Combination Groove - All Browning B Sheaves permit the running of A and B Belts to be run in them, thus providing a variety of different pitch diameters and horsepowers.
• Close Grain Cast iron - Close grain cast iron allows Browning to machine our sheaves to the closest tolerances possible.

Technical Specifications

Pitch Diameter (A)	4.2
Pitch Diameter (B)	4.7
Pulley Material	Cast Iron
Datum Diameter (A)	4
Datum Diameter (B)	4.4
Material	Cast Iron
Model Name	3TB-M_Sheave_Master
Number of Grooves	3
Overall Length (in)	2.703125 in
Bushing Used	P1
Outside Diameter (in)	4.75 in
Bore (Min) (in)	0.5 in
Product Type	Multiple Sheaves
Belt Section	A, B
Bore Type	Split Taper Bushed
Face Width (in)	2.5
Bushing Bore Range	0.500 - 1.750
Keyway Size	.375
Overall Width (in)	2.75
Pulley Construction	Plain

General Specifications

UPC	662289171262
Weight	5.55 LB
Packaged Length	5.06 IN
Packaged Width	5.06 IN
Packaged Height	2.50 IN