compact tapered roller bearing units

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 Compact tapered roller bearing units incorporate polymer spacers to reduce fretting and specially designed seals to lower bearing operating temperature and provide longer grease life and longer maintenance intervals. 

The bearings consist of two inner rings, one common outer ring, two tapered roller and polymer cage assemblies, a central spacer, grease fill and two sealing systems. Lateral spacers, backing rings and end caps with locking devices can also be added.
In the railway industry, reliability is vital to profitability.  compact tapered roller bearing units (CTBUs) are a robust solution that help lower life cycle costs and extend maintenance intervals. 
The bearing units consist of fewer parts and offer space-saving opportunities as well as housing design simplifications. For example, the axle length can be shortened and axle bending limited. 
CBTUs integrated low-torque seals are also space-saving by design, integrated into the bearing unit between the outer and inner ring. This helps reduce friction torque by up to 75% compared with a garter seal arrangement. In addition, operating temperatures are reduced by 20°C, contributing to longer grease life and energy savings.

HM133444 -90124 Timken Ap Bearings Industrial Applications

1.07 279.4 mm
279.4 mm 571.5 mm

HM129848 -90142 AP Bearings for Industrial Application

4 mm 32 mm
Cast iron 21 mm


Steel 59.7
6000 140mm

HM124646 -90086 APTM Bearings for Industrial Applications

13.843mm 23.4
29.4 17.462mm

HM120848 -90080 Integrated Assembly Caps

7mm 2.5mm
sf692x-2z-zen In Stock

Backing ring K95200-90010 AP Integrated Bearing Assemblies

2309e-2rs1tn9-qbl Two Rubber Seals
Plastic 100mm

Backing ring K147766-90010 Timken AP Bearings Assembly

Synthetic Rubber Sea 11000 N
14000 rpm 25.000 mm

Backing ring K85516-90010 compact tapered roller bearing units

One Seal 5000 rpm
21200 N 19900 N

Backing ring K85095-90010 Tapered Roller Bearings Assembly

1720 320mm
Brass 38.60 KGS

Backing ring K85525-90010 Timken Ap Bearings Industrial Applications

202 kg 279.4 mm
500 r/min 44 mm

Backing ring K85588-90010 AP Bearings for Industrial Application

KML 30 133.35 mm
180 mm 6.15 kg

Backing ring K86874-90010 AP TM ROLLER BEARINGS SERVICE

0.3750 in 1.1563 in
Stainless Steel 1.0000 in