Heavy-duty Four-Row Cylindrical (FC/FCD), Four-Row Taper (TQO) & Spherical Roller bearings engineered for hot strip mills, bar & wire rod stands, and continuous casting lines. Request trial evaluation samples with zero commitment.
Unscheduled mill stand stoppages can cost over ₹50,000 per hour in lost steel tonnage. Here is how BMT Impex guarantees heavy-duty roll neck endurance.
Heat-stabilized ring metallurgy (S1 rated to 200°C, S2 rated to 250°C) with engineered C3/C4 clearance to prevent thermal clamping on hot roll necks.
High-purity vacuum-degassed GCr15SiMn / carburized case-hardened alloy steels absorb severe radial impact shock when cold steel billets bite into roll passes.
Equipped with heavy-duty multi-lip fluoro-elastomer seals and sealed chocks with relubrication grooves (W33) to continuously flush out mill scale.
Logarithmic roller profiling and self-aligning spherical geometries distribute heavy rolling forces evenly across roller contact lengths without edge stress concentrations.
Precision solid machined brass cages (M / MB / CA series) guided on inner rings ensure robust roller guidance under rapid mill reversal and high-speed finishing.
We maintain ready stock of popular roll neck and mill stand bearings across India, offering urgent dispatch to major steel belts (Raipur, Rourkela, Durgapur, Bellary, Jalna).
Heavy-capacity radial, thrust, and multi-row configurations engineered for roughing stands, finishing blocks, and pinion gear reducers.
The primary radial bearing for roll necks in hot and cold strip mills. Accommodates high radial loads and allows free axial thermal float of roll barrels.
Engineered for low-to-medium speed mill roll necks requiring simultaneous heavy radial and two-directional axial thrust load support with precise internal clearance.
Fitted to mill pinion gearboxes, continuous casters (CCM), and section mill stands. Heavy load ratings and self-aligning capability handle shaft bending.
Select a category tab below to view boundary dimensions, dynamic load ratings (Cr), and recommended mill stand locations.
| Bearing Model | Bore d (mm) | OD D (mm) | Width B (mm) | Dynamic Cr (kN) | Typical Mill Stand | Action |
|---|---|---|---|---|---|---|
| FC 2840144 | 140 | 200 | 144 | 640 | Wire Rod Block Stand | |
| FC 3246160 | 160 | 230 | 160 | 870 | Bar Mill Intermediate Stand | |
| FC 4056200 | 200 | 280 | 200 | 1,320 | TMT Section Mill Roughing Stand | |
| FC 4868240 | 240 | 340 | 240 | 1,950 | Hot Strip Mill Roll Neck | |
| FC 5680280 | 280 | 400 | 280 | 2,650 | Heavy Plate Mill Back-Up Roll |
| Bearing Model | Bore d (mm) | OD D (mm) | Width T (mm) | Dynamic Cr (kN) | Typical Application | Action |
|---|---|---|---|---|---|---|
| 331180 (TQO) | 180 | 260 | 168 | 1,050 | Cold Rolling Mill Work Roll | |
| 330756 (TQO) | 200 | 290 | 192 | 1,420 | Hot Rolling Mill Work Roll | |
| 331152 (TQO) | 260 | 370 | 220 | 2,250 | Section Mill 2-Hi Stand | |
| 330726 (TQO) | 300 | 420 | 240 | 2,850 | Heavy Reversing Mill Stand |
| Bearing Model | Bore d (mm) | OD D (mm) | Width B (mm) | Dynamic Cr (kN) | Typical Application | Action |
|---|---|---|---|---|---|---|
| 24032 CA/W33 | 160 | 240 | 80 | 780 | CCM Caster Segment Drive | |
| 24040 CA/W33 | 200 | 310 | 109 | 1,320 | Pinion Stand Gearbox Input | |
| 23048 CA/W33 | 240 | 360 | 92 | 1,480 | Mill Main Drive Reducer | |
| 22332 CA/W33 | 160 | 340 | 114 | 1,620 | Heavy Duty Flying Shear Drive | |
| 22340 CA/W33 | 200 | 420 | 138 | 2,450 | High-Torque Breakdown Stand |
Every heavy roll neck bearing is inspected at our in-house metallurgical and dimensional testing lab to guarantee zero defects under continuous mill service.
100% volumetric inspection ensures zero internal voids, inclusions, or forging micro-cracks in heavy multi-row rings.
Bench-tested case depth and core toughness to withstand cyclic compressive rolling contact fatigue.
Precision feeler and dial calibration of unmounted radial clearance to prevent thermal seizure on hot roll necks.
Loose inner ring and outer ring sub-assemblies are matched for seamless hot chock roll changes.
Commercial, technical, and dispatch clarifications for mill maintenance and procurement teams.
Click "Request Free Testing Samples" or connect on WhatsApp (+91 8828206004). Provide your mill stand model, roll neck diameter, and bearing part number. We will dispatch trial units with zero financial commitment for evaluation in your rolling campaign.
Yes. All BMTV2 and WBT four-row cylindrical (FC/FCD) and four-row taper (TQO) bearings are manufactured to standard ISO/DIN boundary dimensions with interchangeable inner rings and standard roll chock fits.
We supply S0 (standard up to 150°C), S1 (heat-stabilized up to 200°C), and S2 (heat-stabilized up to 250°C) dimensional stabilization heat treatments with C3 or C4 radial clearance to prevent dimensional shrinkage or thermal binding.
Yes. All commercial consignments include full 18% GST B2B tax invoices with e-way bills for 100% Input Tax Credit (ITC), along with Mill Test Certificates (MTC 3.1) and Certificate of Conformance confirming metallurgical chemistry and hardness.
We provide expedited road and express air dispatch across all major steel clusters including Raipur, Rourkela, Durgapur, Bellary, Jalna, Mandi Gobindgarh, and Bhilai within 24 to 48 hours for standard in-stock inventory.
Connect directly with our steel mill application engineering desk for wholesale volume quotations, custom roll neck fits, or zero-obligation trial samples.