APPROVED VENDOR V-Belt Sheave: 3B70SK, 3 Groove, 7.35 in OD, Bushed Bore
SKU 3G-OTH-112165
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the APPROVED VENDOR 3B70SK V-belt sheave used for?
The 3B70SK is a 3-groove, 7.35 in OD bushed-bore cast-iron V-belt pulley used in industrial power transmission systems to transfer rotational torque between motor and driven equipment. It is common in conveyors, pumps, compressors, and HVAC fans across machining, material handling, and combustion applications.
What are the specifications of the APPROVED VENDOR 3B70SK sheave?
The 3B70SK sheave has a 7.35 in outside diameter, 3 grooves, a bushed bore with SK quick-detachable bushing system, and a cast-iron construction. Its pulley industry number and manufacturer part number are both 3B70SK. It is designed for standard V-belts and fits shafts requiring a removable bushing.
Where to buy the APPROVED VENDOR 3B70SK sheave worldwide?
3G Electric supplies the APPROVED VENDOR 3B70SK V-belt sheave to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver genuine power transmission components across 14 departments, including machining, material handling, and pumps.
How to select the correct bushed-bore V-belt sheave for a motor?
Match the sheave groove count and pitch diameter to the belt cross-section and motor speed. The 3B70SK uses a quick-detachable bushing system (SK type) for easy installation on various shaft sizes. Verify the shaft diameter and keyway dimensions, then select the corresponding bushing. Always consult the drive design manual for proper center distance and belt tension.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR bushed-bore cast-iron v-belt pulleys. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















