FAG Tapered roller bearing

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Product Introduction

FAG Tapered roller bearings are separable heavy-duty roller bearings. The bearing is composed of two independent components: the inner ring assembly and the outer ring. The conical apexes of the rollers, inner ring raceway, and outer ring raceway meet at the bearing axis. This bearing can simultaneously bear large radial loads and unidirectional axial composite loads. Single-row bearings will generate axial component forces during operation. They are usually installed in pairs in a face-to-face DF or back-to-back DB manner. The clearance can be accurately adjusted or preloaded during assembly, effectively improving the rigidity of the shaft system.

The product line includes metric single-row X‑life‑XL high-performance series, thin-walled 320‑X series, large contact angle heavy-duty series, double-row monolithic, four-row heavy-duty rolling mill bearings and imperial non-standard inch bearings. The upgraded version of X‑life‑XL optimizes roller profile modification, reduces roller edge stress concentration, and significantly improves rated load, impact resistance and fatigue life.

The cage is equipped with a high-strength steel plate stamped cage as standard; the large-size heavy-duty model is equipped with a pin-type cage, which makes the roller operation more stable. The bearing contact angle is divided into ordinary cone angle, medium cone angle and large cone angle; the larger the contact angle, the stronger the axial load carrying capacity. Double-row and four-row tapered roller bearings are integrated units that can withstand bidirectional radial-axial combined heavy loads without being assembled in pairs. The bearing steel is made of high-purity bearing steel, and the raceway has been super-finished, making it wear-resistant and fatigue-resistant, and suitable for harsh working conditions such as vibration and impact.

Complete model examples: 30210‑A‑XL, 32212‑A‑XL, 31312‑B‑XL, 32010‑X‑XL.

Typical application scenarios: automobile axle hubs, differentials, gearboxes, reducers, engineering machinery, mining crushers, cement equipment, metallurgical rolling mills, lifting equipment, trailer axles and other heavy-duty transmission parts.

Product Parameters

Bearing categories	Product sub-series	Series features	Commonly used representative models
Single row-light standard series normal contact angle, radial load priority	302‑A‑XL Series	The main model circulating in the market has strong versatility and is widely used in reducers and light truck axles.	30208‑A‑XL, 30210‑A‑XL, 30212‑A‑XL, 30215‑A‑XL
	303‑A‑XL Series	The outer diameter is enlarged, the radial load-bearing capacity is stronger, and the heavy-duty gearbox is selected	30308‑A‑XL, 30310‑A‑XL, 30312‑A‑XL
Single row-medium widened series rollers with extended length, radial-axial balanced heavy load	322‑A‑XL Series	Widened roller structure, load capacity is better than 302 series, mainstream model for engineering machinery and differentials	32208‑A‑XL, 32210‑A‑XL, 32212‑A‑XL, 32215‑A‑XL
	323‑A‑XL Series	Single row widened heavy-duty top configuration, excellent impact resistance, heavy-duty mining equipment	32308‑A‑XL, 32310‑A‑XL, 32312‑A‑XL
Single row-large contact angle series mainly has axial load and large axial thrust	313‑B‑XL Series	Large contact angle design, mainly to bear axial load, special for automobile differential pinion shaft	31310‑B‑XL, 31312‑B‑XL, 31315‑B‑XL
Thin-walled single-row tapered rollers have compact radial installation space	320‑X‑XL Series	Thin cross-section and compact, the first choice for passenger wheel hubs and light transmission parts	32008‑X‑XL, 32010‑X‑XL, 32012‑X‑XL
Narrow cross-section light series	329 series	Narrow outer diameter, suitable for working conditions with limited space and height	32910-XL, 32914-XL
Double row integrated tapered roller bearings bear bidirectional compound loads and do not need to be installed in pairs	352000‑XL Series	Two rows of rollers integrated back to back, high rigidity, suitable for large reducers and engineering machinery hubs	352020-XL, 352024-XL
Four rows of heavy-duty tapered roller bearings are specially designed for ultra-large load metallurgical rolling mills.	TQO, TQI series	Four rows of rollers, ultra-high radial-axial load, FAG bearings for hot rolling mills and large mining equipment	TQO4088, TQI5092
Inch-inch non-standard tapered roller bearings imported engineering machinery and axle spare parts	K‑LM Series Inch Models	The inner and outer rings are numbered separately and are mostly used for repair and replacement parts of imported equipment.	KLM11749‑LM11710, KLM48548‑LM48510

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We specialize in providing forklift bearings, deep groove ball bearings, self-aligning ball bearings, self-aligning roller bearings, cylindrical roller bearings, tapered roller bearings, wheel hub bearings, agricultural machinery bearings, etc.