• Tsubaki BS85 Series Backstop Cam Clutch (Conveyor, Medium (BS65~85))
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Tsubaki BS85 Series Backstop Cam Clutch (Conveyor, Medium (BS65~85))

Tsubaki BS85 Series Backstop Cam Clutch (Conveyor, Medium (BS65~85))

Tsubaki Cam Clutch BS Series — backstop clutch exclusively for conveyor reverse-rotation prevention (low-speed use).

Key features

  • BS-HS Series also available with improved maximum free-running speed and allowable torque
  • Torque range: 94~980,000 N·m (30~100,000 kgf·m)
  • Keyway type: J = new JIS standard / E = old JIS type 2
  • Torque arm (TA) and safety cover (SC) available as accessories

Specifications

Series BS85
Type Backstop Cam Clutch — Conveyor Reverse Prevention
Torque Range 94~980,000 N·m (30~100,000 kgf·m)
Speed Low-speed use
Keyway J = New JIS Standard / E = Old JIS Type 2
BS-HS Series Enhanced free-running speed and torque available on request
Application Conveyor backstop, incline conveyor reverse-rotation prevention
BS85-70J BS85 — Bore Ø70 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø70 mm | Keyway: J (New JIS Standard)
BS85-75J BS85 — Bore Ø75 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø75 mm | Keyway: J (New JIS Standard)
BS85-80J BS85 — Bore Ø80 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø80 mm | Keyway: J (New JIS Standard)
BS85-85J BS85 — Bore Ø85 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø85 mm | Keyway: J (New JIS Standard)
Cam ClutchesTsubaki
4 product codes available in this family
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Tsubaki BS85 Series Backstop Cam Clutch (Conveyor, Medium (BS65~85))

Brand Tsubaki·Cam Clutches

Available part numbers (4)

BS85-70J, BS85-75J, BS85-80J, BS85-85J

How to order

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Product codes & specifications
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Product codeSpec
BS85-70JBS85 — Bore Ø70 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø70 mm | Keyway: J (New JIS Standard)
BS85-75JBS85 — Bore Ø75 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø75 mm | Keyway: J (New JIS Standard)
BS85-80JBS85 — Bore Ø80 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø80 mm | Keyway: J (New JIS Standard)
BS85-85JBS85 — Bore Ø85 mm (J-type keyway) | Series: BS85 | Type: Backstop Cam Clutch — Conveyor Reverse Prevention | Torque Range: 94~980,000 N·m (30~100,000 kgf·m) | Speed: Low-speed use | Keyway: J = New JIS Standard / E = Old JIS Type 2 | BS-HS Series: Enhanced free-running speed and torque available on request | Application: Conveyor backstop, incline conveyor reverse-rotation prevention | Bore: Ø85 mm | Keyway: J (New JIS Standard)

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