Heavy-duty Vibratory Screen Spherical Roller (22300 EMA/W33 C4), Jaw Crusher (23100/22200), and Heavy Plummer Block units engineered for quarrying, mining, and aggregate plants. Test physical samples with zero commitment.
Vibrating screens and crushers operate under brutal dynamic accelerations that tear standard industrial bearings apart within weeks. Here is how BMT Impex ensures uninterrupted production.
Heavy-duty one-piece solid machined brass cages (EMA/VA405 specification) guided directly on the hardened outer ring withstand violent centrifugal accelerations without pocket fatigue.
Extra radial clearance (C4 clearance, 1.5x standard) compensates for rapid shaft thermal expansion generated by eccentric vibrating shafts and rock friction.
Paired with heavy plummer block split housings with taconite heavy-duty labyrinth seals and purge grease chambers to completely block fine granite and silica dust.
High-purity vacuum-degassed bearing steel with symmetrical spherical roller geometry distributes massive non-uniform boulder impact loads across full raceway contacts.
Self-aligning spherical geometry allows up to 2.5° of continuous dynamic angular deflection without increasing frictional torque or localized roller edge wear.
We maintain locked safety stocks of 22300 series vibratory bearings across India, offering 24/48-hour express dispatch to quarry clusters nationwide.
Engineered for vibrating exciters, pitman shaft eccentric assemblies, and heavy conveyor tail pulleys.
Specialized for multi-deck vibrating screens and grizzly feeders. Features solid one-piece machined brass cage, outer ring guidance, C4 clearance, and hardened surface geometry.
Fitted to the main frame and pitman eccentric shafts of primary jaw crushers and cone crusher pinion drives. High dynamic load rating Cr absorbs direct boulder crushing shocks.
SNL, SNH, and SD 3100 series heavy split cast steel housings equipped with taconite labyrinth seals to keep dust out of conveyor pulleys and ball mill trunnions.
Select a category tab below to view boundary dimensions, dynamic load ratings (Cr), and recommended machinery locations.
| Bearing Model | Bore d (mm) | OD D (mm) | Width B (mm) | Clearance | Dynamic Cr (kN) | Typical Equipment | Action |
|---|---|---|---|---|---|---|---|
| 22314 EMA/W33 C4 | 70 | 150 | 51 | C4 | 395 | Small Vibrating Screen / Feeder | |
| 22316 EMA/W33 C4 | 80 | 170 | 58 | C4 | 510 | Medium 2-Deck Aggregate Screen | |
| 22318 EMA/W33 C4 | 90 | 190 | 64 | C4 | 635 | Popular 3-Deck Quarry Screen | |
| 22320 EMA/W33 C4 | 100 | 215 | 73 | C4 | 800 | Heavy Duty Scalping Grizzly Screen | |
| 22322 EMA/W33 C4 | 110 | 240 | 80 | C4 | 970 | Heavy Mining Dewatering Screen | |
| 22326 EMA/W33 C4 | 130 | 280 | 93 | C4 | 1,320 | High-Tonnage Coal / Iron Ore Screen |
| Bearing Model | Bore d (mm) | OD D (mm) | Width B (mm) | Cage Type | Dynamic Cr (kN) | Typical Application | Action |
|---|---|---|---|---|---|---|---|
| 23126 CA/W33 | 130 | 210 | 64 | Machined Brass | 570 | Jaw Crusher 16x24 Frame | |
| 23132 CA/W33 | 160 | 270 | 86 | Machined Brass | 980 | Jaw Crusher 24x36 Pitman | |
| 23138 CA/W33 | 190 | 320 | 104 | Machined Brass | 1,420 | Jaw Crusher 30x42 Main Shaft | |
| 22228 CA/W33 | 140 | 250 | 68 | Machined Brass | 750 | Cone Crusher Pinion Shaft | |
| 24134 CA/W33 | 170 | 280 | 109 | Machined Brass | 1,250 | Heavy Duty VSI Rotor Shaft |
| Housing Model | Matched Bearing | Shaft Dia (mm) | Housing Material | Seal Type | Typical Application | Action |
|---|---|---|---|---|---|---|
| SNL 518-615 | 22218 EK | 80 | Cast Steel / Ductile Iron | Taconite / Double Lip | Overland Conveyor Drive Pulley | |
| SNL 522-619 | 22222 EK | 100 | Cast Steel / Ductile Iron | Taconite / Double Lip | Crusher Discharge Feeder | |
| SNL 528-624 | 22228 EK | 125 | Cast Steel / Ductile Iron | Taconite Heavy Labyrinth | Heavy Mining Head Pulley Drum | |
| SD 3144 S | 23144 K | 200 | Heavy Cast Steel | Multi-Labyrinth Grease Purge | Ball Mill / Kiln Trunnion Support |
Every vibratory screen and crusher bearing is tested at our in-house metallurgical laboratory to ensure uncompromised shock fatigue resilience.
Core and raceway hardness verified on digital Rockwell testers to eliminate plastic deformation under heavy rock crushing impacts.
Feeler gauge clearance verification guarantees exact C4 radial internal play to accommodate high-temperature screen shaft expansion.
Cage pocket clearances and outer ring guidance lands are 100% inspected for flawless balance under 10G centrifugal force.
Sub-surface volumetric scanning ensures zero internal forging micro-flaws in heavy-section outer rings.
Commercial, technical, and dispatch clarifications for crushing plant managers and equipment manufacturers.
Vibrating screens subject bearings to 5G–10G continuous dynamic vibration and high frictional heat. Standard C3 clearance leads to rapid thermal binding. A C4 clearance combined with a one-piece solid machined brass cage (EMA/VA405) guided on the outer ring allows free roller rotation without cage fatigue or pocket breakage.
Click "Request Free Testing Samples" or WhatsApp us (+91 8828206004). Provide your screen/crusher model and bearing part number (e.g. 22318 EMA C4, 23132 CA/W33). We will dispatch physical trial units for bench evaluation with zero financial commitment.
Yes. All BMTV2 and WBT vibratory screen spherical roller bearings are 100% dimensionally interchangeable with international vibratory standards (including VA405, T41A, and EMA designations) with standard W33 relubrication grooves and holes.
Yes. Every consignment is billed with official 18% GST B2B tax invoices and valid e-way bills for 100% Input Tax Credit (ITC), accompanied by Mill Test Certificates (MTC 3.1) and Certificate of Conformance upon request.
We maintain ready warehouse stock and dispatch within 24 to 48 hours. Express transit reaches major mining zones across Rajasthan (Jaipur, Kota), Karnataka (Bellary), Odisha (Joda, Keonjhar), Chhattisgarh (Raipur), Andhra Pradesh, and Maharashtra in 2 to 3 business days.
Connect directly with our mining application engineering desk for wholesale fleet pricing, custom clearance sizing, or zero-obligation trial samples.