Browning R1 1 3/4 Split Taper-Lock™ Bushing 1-3/4" Bore

Browning R1 1‑3/4 Split Taper‑Lock™ Bushing is a heavy‑duty mechanical bushing designed to securely mount pulleys, sheaves, and sprockets onto shafts, providing precise concentricity and high torque transmission in industrial power transmission applications. Manufacturer: Browning Product type: Split Taper‑Lock™ Bushing Series: R1 Part number: R1 1 3/4 Bore size: 1.75 in (1‑3/4 in) Bushing style: Split taper Keyway size: 3/8 in × 3/16 in Keyway type: Standard ANSI straight keyway Material: Sintered steel Finish: Black oxide Mounting method: Taper‑lock with cap screws Clamping method: Self‑locking taper for shaft retention Number of mounting screws: 2 Screw size: 5/16‑18 UNC (typical for R1 series) Recommended screw torque: Per Browning R1 series specifications Application compatibility: R1 series sheaves, pulleys, and sprockets Shaft type: Plain keyed shaft Operating environment: Industrial power transmission systems Temperature suitability: Standard industrial temperature ranges Function: Provides tight shaft‑to‑hub connection with easy installation and removal Reusability: Fully reusable with proper installation Included components: Bushing body, mounting screws Manufacturing standard: ANSI compliant Country of manufacture: United States