Railway bearings

Railway bearings are widely used in various fields, including railway transport, ships, electric motors, ports, construction machinery, metallurgy and military products. Our product range covers applications in axle bearings, gearboxes and drive motors.

We offer a wide range of bearings (ball and roller bearings) for railway applications: metric and inch tapered roller bearings TBU and CTBU series, cylindrical roller bearings, cylindrical roller bearings, standardized UIC, spherical roller bearings, deep groove ball bearings, insulated bearings and much more.

+7 702 496 05 15

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info@otsg.kz

Advantages

High load capacity
Easy to install and maintain.
Precision engineering for longer life and reduced maintenance.
High resistance to impact and shock.
Exceptional heat resistance.
Durability.

Specifications

Raw Material
Bearing Rings and Rollers: 100CT6,100CrMnSi6-4
Bearings can be subjected to various heat treatments (S0-S4).
Inner design
B-Asymmetrical rollers
C-Symmetrical rollers
R-Bearings without inner rings
Orifice type
K-taper bore diameter ratio 1:12
No code - Cylindrical
Running accuracy
P6 - Accuracy of dimensions and running in accordance with ISO tolerance class.
Cage
M – Machined brass cage, roller centred MA – Machined brass cage, outer ring centred
MB – Machined brass cage, inner ring centred
TN – Cast cage made of polyamide 6.6, reinforced with fibreglass.
Radial clearance
No code - standard
C3 - higher than standard
C4 - greater than C3
Grease, seal
W33 - Annular groove and three lubrication holes on the outer ring
2RSR-Bearing with 2 seals
2ZR-Bearing with 2 shields

Traction engines of locomotives
Generator
Transmissions
Gearboxes
Locomotive axle boxes
Axle boxes of freight cars
Wagon bogies

Products