Timken Type E Bearings

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Basic Information

Timken® Type E tapered roller bearing housed units feature double-lip seals and locking collars that protect against water and other contaminants. This double-lip seal design blocks debris and retains grease better than single-lip or triple-lip seals, according to Timken 2012 laboratory tests.

Its cast-iron exterior includes a corrosion-resistant electro-coat finish for the housing and collar, a more durable shield than industry-standard powder coating or black oxide. Set screws with nylon patches reduce back-out, even in rigorous applications.

Premium Timken® tapered roller bearings inside Type E housings are manufactured with advanced technology that results in longer predicted useful bearing life than other housed units with standard bearings. Designed with optimized bearing profiles and improved surface finishes, Timken tapered roller bearings operate efficiently within the housing.

Design Attributes & Advantages

TimkenLeading Competitor using Non-Timken Bearings
Cone Case Carburized Case Carburized 
Enhanced Surface Finish Standard Surface Finish 
Cup Case Carburized Thru Hardened, Sourced 
Timken Matched Cup to Cone Unmatched Cup to Cone 
RollerCase Carburized Thru Hardened Rollers 
Enhanced Profile Limited Profile 
Seals Double LipSingle Lip
HousingASTM A48 Grade 30 ASTM A48 Grade 30 
Electro-Coat Paint Powder-Coat Paint 
Seal Performance (Mud/Salt Slurry Ingress Test)
Bearing Life Analysis Comparison

Size Range & Nomenclature

Timken Type E Nomenclature
Housed Unit Configuration Inches (in) Metric (mm) 
Pillow Block: 2-Bolt Base 1-3/16 thru 3-1/2 35 thru 90 
Pillow Block: 4-Bolt Base 2-1/4 thru 5 60 thru 125 
Flange: 4-Bolt1-3/16 thru 4-1/2 35 thru 115 
Flange: Piloted 1-3/16 thru 5 35 thru 125 
Take Up: Wide Slot 1-3/8 thru 3 35 thru 75 
Take Up: Top Angle 1-3/4 thru 4 45 thru 100 


 Processing and material handling equipment used in,
– Pulp and paper
– Power generation
– Mining
– Cement
– Aggregate
– Mixing/vibrating
– Ovens/furnaces
– Water treatment and wastewater treatment.
Also widely used in air handling equipment.

Design and Develop by Ovatheme