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A GEM 51212 THRUST bearing component wrapped in clear plastic, placed below its blue and pink branded cardboard box on a pale yellow background.

51200 Series Heavy-Duty ISO Metric Thrust Ball Bearings (51201 – 51226)

The 51200 Series represents the international ISO standard for medium-duty, single-direction metric thrust ball bearings. Built with a thicker cross-section and larger steel balls than the lighter 51100 series, this heavy-duty design provides exceptional rigidity, higher radial height, and superior resistance to heavy axial loads in a single direction.

Featuring a 3-piece separable construction: A tight-fit shaft washer, a loose-fit housing washer, and a high-strength ball cage. These bearings eliminate axial displacement and withstand intense thrust pressure without operational binding.

Key Technical Specifications

  • Bearing Type: Single Direction ISO Metric Thrust Ball Bearing

  • Series: 51200 Series (51200 to 51220+)

  • Load Type: Pure Axial Load (Single Direction)

  • Design Components: Shaft Washer, Housing Washer, and Ball & Cage Assembly

  • Bore Sizes (d): 10 mm to 100+ mm

  • Sealing: Open Type (Standard)

  • Cage Options: Pressed Steel, Machined Brass (M-Suffix)

Key Applications

  • Heavy Industrial Machinery: Machine tool spindles, rotary tables, and crane hooks.

  • Material Handling & Jacks: Screw jacks, lift systems, and industrial turntables.

  • Pumps & Blowers: Vertical pumps and heavy-duty industrial blowers.

  • Gearboxes & Reducers: Speed reducers subject to heavy unidirectional axial thrust.

Why Choose Rajasthan Bearings Kolkata?

  • Central Hub Location: Ready inventory at Marshall House, Strand Road, Kolkata.

  • Multiple Brand Options: Genuine bearings from imported to Indian GEM/BCI.

  • Same-Day Dispatch: Fast dispatch pan India.

  • Wholesale Rates: Direct competitive pricing for OEM manufacturers and plant maintenance.

CHECK OUT OUR 51100 BEARINGS SERIES HERE.

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