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Cone Crushers

Used for secondary and fine crushing. Mantles and bowl liners face high-stress abrasion and fatigue; material grades and chamber profiles must suit the feed characteristics.

Cone Crushers

Equipment Section View

Cone Crusher Section and Part Locations A
Cone Crusher Section and Part Locations A
Cone Crusher Section and Part Locations B
Cone Crusher Section and Part Locations B

A cone crusher uses eccentric head motion to vary the chamber between the mantle and the bowl liner or concave, reducing material through compressive crushing. Mantles and bowl liners are the main consumable wear parts. Feed plates, frame protection, bronze bearings, seals and gear sets also affect continuous operation. This guide identifies 20 individual wear and spare parts for selection and procurement.

Equipment Parts

Part Identification and Technical Details

Explore part names, images, material options and technical requirements. Select a card to open the corresponding replacement part page.

Major Components and Assemblies

Major Components and Assemblies

Individual and Maintenance Parts

Individual and Maintenance Parts

Mantle
01

Mantle

Mantle / Head Liner

Material Options
Austenitic manganese steel; OEM-approved composite reinforcement may be used for specific applications
Installation and Function
Inner working liner fitted to the crusher head
Maintenance Category
High
Bowl Liner / Concave
02

Bowl Liner / Concave

Bowl Liner / Concave

Material Options
Austenitic manganese steel; OEM-approved composite reinforcement may be used for specific applications
Installation and Function
Fitted inside the bowl to form the outer crushing surface
Maintenance Category
High
Feed Disc / Distributor Cone
03

Feed Disc / Distributor Cone

Feed Plate / Feed Cone

Material Options
Manganese steel, abrasion-resistant cast steel, or quenched and tempered abrasion-resistant steel
Installation and Function
Distributes feed and protects the top of the crusher head
Maintenance Category
Medium–High
04
04

Torch ring / burning ring

Torch Ring / Burning Ring

Material Options
OEM-specified low-carbon steel or readily cut steel
Installation and Function
Secures the mantle and serves as a cuttable sacrificial part during removal
Maintenance Category
At each replacement or as specified in the maintenance plan
Locking nut / head nut
05

Locking nut / head nut

Locking Nut

Material Options
Cast steel or quenched and tempered alloy steel
Installation and Function
Applies axial clamping to the mantle and torch ring
Maintenance Category
Low
Main Frame Liner
06

Main Frame Liner

Mainframe Liner

Material Options
Manganese steel or quenched and tempered abrasion-resistant plate
Installation and Function
Protects the main frame inner walls and discharge area
Maintenance Category
ZH
Arm Guard
07

Arm Guard

Arm Guard / Arm Liner

Material Options
High-manganese steel, wear-resistant cast steel or quenched and tempered wear plate
Installation and Function
Protects the main frame arms and areas around the countershaft
Maintenance Category
ZH
08
08

Counterweight Guard

Counterweight Guard / Liner

Material Options
Abrasion-resistant cast steel or quenched and tempered wear plate
Installation and Function
Protects the counterweight and the outside of the eccentric assembly
Maintenance Category
ZH
Socket Liner
09

Socket Liner

Socket Liner

Material Options
OEM-specified tin bronze, leaded tin bronze or other bearing copper alloy
Installation and Function
Supports the spherical head surface and provides a low-friction sliding interface
Maintenance Category
ZH
10
10

Upper Head Bushing

Upper Head Bushing

Material Options
OEM-specified bearing copper alloy
Installation and Function
Guides the upper head and carries oscillating sliding loads
Maintenance Category
Low–Medium
11
11

Lower Head Bushing

Lower Head Bushing

Material Options
OEM-specified bearing copper alloy
Installation and Function
Main radial sliding bearing between the head and eccentric assembly
Maintenance Category
ZH
Eccentric Bushing
12

Eccentric Bushing

Eccentric Bushing

Material Options
OEM-specified centrifugally cast bearing copper alloy
Installation and Function
Produces eccentric motion and carries sliding loads at high contact pressure
Maintenance Category
ZH
Drive Shaft Bushing
13

Drive Shaft Bushing

Countershaft Bushing

Material Options
OEM-specified bearing copper alloy
Installation and Function
Supports high-speed rotation of the pinion shaft
Maintenance Category
Low–Medium
14
14

Thrust Bearing / Thrust Plate

Thrust Bearing

Material Options
Copper alloy, steel-backed bearing material or OEM-specified composite construction
Installation and Function
Carries axial loads from the eccentric assembly
Maintenance Category
Low–Medium
15
15

Dust shell seal / dust seal ring

Dust Shell Seal

Material Options
NBR, HNBR, polyurethane or an OEM-specified elastomer
Installation and Function
Prevents dust ingress into adjustment and lubrication areas
Maintenance Category
ZH
Locking Cylinder Assembly
16

Locking Cylinder Assembly

Clamping Cylinder Assembly

Material Options
Quenched and tempered steel cylinder and piston with matching seals
Installation and Function
Clamps the adjustment ring or bowl around its circumference
Maintenance Category
Low; higher for seals
17
17

Pinion

Pinion

Material Options
Carburized or quenched and tempered alloy steel to the OEM gear material and heat-treatment specification
Installation and Function
Transmits torque from the countershaft to the gear
Maintenance Category
Low
18
18

Gear Wheel / Bevel Ring Gear

Drive Gear

Material Options
Carburized or quenched and tempered alloy steel, manufactured as an OEM-specified matched pair
Installation and Function
Drives rotation of the eccentric assembly
Maintenance Category
Low
19
19

U-seal

U-Seal

Material Options
Moulded elastomer or OEM-specified nonmetallic material
Installation and Function
Works with the T-seal to separate dust from the lubrication cavity
Maintenance Category
ZH
20
20

T-seal

T-Seal

Material Options
Moulded elastomer, segmented polymer ring or OEM-specified material
Installation and Function
Forms a nonmetallic sealing interface with the U-seal
Maintenance Category
ZH

Materials for similarly named parts may differ by OEM, machine model and operating conditions. Confirm the machine model, OEM drawing number and measured dimensions before ordering or manufacture.

Material Information

  • Mantles and bowl liners: manganese steel benefits from work hardening under impact and compression. Select Mn18, Mn22 or composite reinforcement according to abrasiveness, compressive strength, feed grading, chamber profile, power utilization and the actual hardened layer. Do not substitute unvalidated high-chromium white iron for liners exposed to heavy impact.
  • Feed and protection plates: for manganese steel, assess solution-treated microstructure and toughness. For grade 400–500 quenched and tempered wear plate, check impact limits, welding and cutting heat effects, countersinks and fastening surfaces.
  • Copper-alloy sliding bearings must suit the journal, lubricant, clearance and load. Alongside composition, control casting soundness, lead and tin distribution, hardness, concentricity, oil grooves, surface finish and running clearance. Babbitt metal is not a general substitute for an OEM-specified copper alloy.
  • Gear sets: control the gear and pinion as a matched pair, including tooth form, spiral angle, heat treatment, hardened case, surface finish, contact pattern and backlash. FLS identifies the contact pattern as a key reliability requirement.
  • Seals: select NBR, HNBR, polyurethane and other materials for the oil, temperature, dust, surface speed and compression conditions. Geometry, preload, joints and mating-part wear can matter more than hardness alone.
  • Torch rings are sacrificial maintenance parts. Preserve the original design requirement for safe cutting and removal; do not substitute a difficult-to-cut high-alloy steel without engineering approval.

Brand Applicability

HP and GP Series (Metso), Symons, CH Series (Sandvik), H Series (Telsmith), and Raptor cone crushers (FLS).

Industry Applications

Secondary and fine crushing of gold, copper and iron ores; quarry and construction aggregates; sand and gravel; and industrial mineral processing

Materials for similarly named parts may differ by OEM, machine model and operating conditions. Confirm the machine model, OEM drawing number and measured dimensions before ordering or manufacture.

Equipment Manufacturers and Series

Astec FLS Kinglink Metso Sandvik Mining and Rock Solutions Terex MPS

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02

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03

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04

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