ISO 9001 Sourced SAE 52100 Chrome Steel

Thrust Roller Bearings

Heavy-duty axial thrust bearings capable of sustaining extreme axial loads and severe shock loads in extruders and crane swivel hooks.

Thrust Roller Bearings
Standard & Custom Sizes Supplied
Speed Boundary Up to 4,200 RPM
Load Capacity Ultra-Heavy Axial & Misalignment
Protection Machined Brass Cages
Fit & Clearance undefined
Engineering Data Sheet

Technical Specifications & Sizing Chart

Standard metric dimensional chart and load parameters. Filter by model, bore (d), outer diameter (D), or width (B).

Technical Specifications & Sizing

Bearing type d ( inner diameter) D (Outer diameter ) T ( Width ) Grease lubrication Oil lubrication Dynamic Cr Static Cor Weight (kg)

Technical Specification Catalog On Demand

We supply complete standard & custom Thrust Roller Bearings (Series 81100, 81200, 29200, 29300, 29400) sourced to ISO/DIN standards with factory test certificates. Submit your required bore, OD, or part number for immediate pricing and CAD drawings.
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Extreme Axial Capacity for Extruders & Heavy Cranes

Thrust Roller Bearings carry high axial loads with exceptional axial rigidity. Spherical thrust roller bearings are self-aligning and can also accommodate some radial load.

Engineered for plastic extruders, marine propulsion thrust blocks, oil drilling rigs, and heavy crane swivels.

Thrust Roller Bearings Category
Engineering Insights

Bearing Nomenclature & Clearance Guide

Understanding technical suffixes, clearance prefixes, and material ratings used in industrial procurement.

Suffix & Prefix Reference

  • 2RS / DDU: Double lip synthetic NBR rubber seals for moisture & dust exclusion.
  • ZZ / 2Z: Double pressed-steel non-contact shields for grease retention at high speeds.
  • K / N: Tapered bore (K) or snap ring groove (N) for specific mounting configurations.
  • M / Y: Machined brass cage (M) or pressed steel cage (Y) for heavy industrial loads.

Radial Internal Clearance (RIC)

  • C2 (Tight): Less than normal clearance. Used for high-precision shafts to minimize vibration.
  • CN (Normal): Standard fit for general industrial applications under normal temperatures.
  • C3 (Loose): Greater than normal clearance. Compensates for thermal expansion in electric motors.
  • C4 / C5: Massive internal space for kilns and gearboxes running at extreme temperatures.
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