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Sprockets & Roller Chains

Drive / conveyor / duplex / custom sprockets, pitch 6.35–50.8mm, 9–80 teeth, hardened teeth HRC45–55, GB class 6–8, with A/B series roller chains.

Drive / conveyor / duplex / custom sprockets, pitch 6.35–50.8mm, 9–80 teeth, hardened teeth HRC45–55, GB class 6–8, with A/B series roller chains.

Specifications#

Teeth range9 ~ 80
Pitch range6.35 ~ 50.8 mm
StandardsANSI 40–200；DIN/ISO 08A–20B
Material45# / 40Cr / S45C / SCM440 / QT600-3 / 304 / 316
Heat treatmentTooth-flank induction hardened HRC45~55
AccuracyGB grade 6~8
BorePer customer requirement (including keyway and set screw hole)

Sprockets & Roller Chains

Technical Specifications#

Teeth range9 – 80
Pitch range6.35 – 50.8 mm
StandardsANSI 40–200; DIN/ISO 08A–20B
Tooth profileStandard roller-chain profile (A / B series)
Material45# steel, 40Cr, S45C, SCM440, QT600-3 ductile iron, SS 304/316, nylon
Heat treatmentInduction hardened teeth HRC45–55
AccuracyGB class 6–8
BoreMachined to customer requirement (keyway, set-screw holes)

Manufacturing Process#

  • Sprocket hobbing
  • CNC milling / shaping
  • CNC turning (bore / face)
  • Induction hardening
  • Keyway / set-screw holes

Key Features#

  • Fits A / B series standard chains
  • Duplex / multiplex available
  • Induction hardened wear-resistant teeth
  • Bore and keyway machined to drawing

Applications#

  • General transmission
  • Conveying machinery
  • High-power drives
  • Agricultural and special equipment

Sprocket Types#

Choose the sprocket type by application and construction.

TypeDescriptionStandardsTypical application
Drive sprocketsRoller-chain sprockets for A/B series standard chainsANSI / DIN / ISO / GBGeneral transmission
Conveyor sprocketsDouble-pitch sprockets, flat-top chain sprocketsANSI / DIN / ISO / GBConveying machinery
Duplex / multi-strandDuplex / triplex / multi-strand for high powerANSI / DIN / ISO / GBHigh-power drives
Custom sprocketsAgricultural and special sprockets to drawingCustomer drawingAgricultural / special equipment

Common Standard Series#

ANSI and DIN/ISO mainstream series, pitch 6.35–50.8mm.

SystemCommon series
ANSI40, 50, 60, 80, 100, 120, 140, 160, 180, 200
DIN / ISO08A, 08B, 10A, 10B, 12A, 12B, 16A, 16B, 20A, 20B

Roller Chains#

A / B series roller chains, simplex / duplex / multiplex.

Chain typePitch p (mm)Roller dia. d₁Inner width b₁Breaking loadPlate thicknessMaterialStandard
08B-112.78.517.7518.0 kN1.3 mm40Cr / 45#DIN / ISO
16A-125.415.8815.8855.6 kN2.0 mm40Cr / 45#ANSI / ISO

A-series and B-series roller chains, pitch 6.35–50.8mm (extendable); simplex / duplex / multiplex available.

Manufacturing Capability#

Dedicated machines ensure tooth accuracy and batch consistency.

OperationMax. workpiece dia.Pitch p (mm)Teeth rangeTolerance
Hobbingφ500mmto 50.8mm9–80GB 6–8
CNC gear millingφ500mmto 50.8mm9–80GB 6–8
Shapingφ400mmto 50.8mm9–80GB 7–8
CNC turningφ500mm——IT6–7
Wire-cut EDMφ300mm——IT6–7

Racks, sprockets, timing pulleys and couplings — one-stop supply.

  • Couplings: flexible / rigid / diaphragm
  • Timing pulleys: HTD / STD / GT / XL / L / H series
  • Gear racks: five precision series (ground DIN 6h25)

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Manufacturing processes#

  • Sprocket hobbing
  • CNC gear milling / shaping
  • CNC turning (bore / face)
  • Induction hardening of tooth surfaces
  • Keyway / set screw hole machining

Features#

  • Fits A / B series standard chains
  • Duplex / multi-strand configurations available
  • Induction-hardened tooth surfaces for wear resistance
  • Bore and keyway machined to drawing

Applications#

  • General drive systems
  • Conveying machinery
  • High-power drives
  • Agricultural and special-purpose equipment

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Upload a 2D/3D drawing (STEP, DXF, PDF) — we reply with a quote and lead time.

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