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Steel sprocket, black oxide finish, 20 teeth, 1 3/4 inch bore with keyway

Tritan

Tritan 60BS20H 20T 1 3/4in Bore Sprocket Collectible

SKU CH-TX52-JNABQ

A finished-bore steel sprocket with 20 teeth for 60 chain, 1 3/4 in bore, keyway and two set screws included

  • Product typeBearings, V-belts & Power Transmission Equipment
  • Product colorTransparent
  • Steel construction with black oxide finish resists wear
  • 20-tooth profile matches #60 chain pitch precisely
  • 1 3/4 inch fixed bore with 3/8 inch keyway fits shafts directly
  • Two set screws lock sprocket securely in place
  • 19 inch outside diameter suits compact drive layouts

Precision Power Transmission Component

The Tritan 60BS20H is a finished-bore steel sprocket built for 60 chain size and single-strand drives. It suits maintenance teams and OEM assemblers who need a direct replacement with a 1 3/4 in bore and integrated keyway.

Upgrade from Worn or Plain-Bore Sprockets

This unit replaces sprockets showing tooth elongation, bore wallow or missing keyway engagement. The jump is worth it when vibration, timing drift or key shear signals that the existing hub can no longer transmit full torque.

Hard Limits of ANSI 60 Chain Geometry

The 3/4 in pitch fixes centre-distance increments and maximum sprocket speed for a given tension. A 5.19 in outside diameter and 4.794 in pitch diameter cap the usable ratio range, while the .791 in hub projection and dual set screws demand adequate shaft length and keyway depth.

How it compares

Measured against everything we stock in Fan Collectibles & Memorabilia, at today’s prices. Recalculated every night.

Price $46.99
Pricier than about 73% of the 1,367 comparable items (median $26.99).

Specifications

Product
Brand nameTRITAN
Product typeBearings, V-belts & Power Transmission Equipment
Product colorTransparent

Questions about this item

What shaft diameter does the 1 3/4 in finished bore with 3/8 in keyway width and 3/16 in keyway depth fit?

The sprocket has a fixed 1 3/4 in bore with a 3/8 in wide by 3/16 in deep keyway and two set screws, so it mounts directly on a 1 3/4 in shaft with a matching keyway.

How do you install the sprocket on the shaft and which step is often missed?

Slide the sprocket onto the 1 3/4 in shaft, align the 3/8 in key in the keyway, then tighten both set screws — the step often missed is tightening the second set screw after the first seats the key.

When should the sprocket be replaced and what indicates wear on the 20 teeth?

Replace the sprocket when the 20 teeth show hooked or pointed profiles, the 5.19 in outside diameter has visibly reduced, or the chain rides high — the black oxide finish will also wear off at contact points.

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