Home / Double Row Angular Contact Ball Bearing / Rollers LR52 LR53 (series 3057, 3067, 3058, 3068)

Rollers LR52 LR53 (series 3057, 3067, 3058, 3068)

Rollers LR52 LR53 (series 3057, 3067, 3058, 3068)cover a variety of size specifications, which can meet the precise requirements of different equipment for the sizes of rollers and have wide adaptability.

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Type	Main dimensions	Rated load	Rated speed
306705 ZZ	25	72	25	27.3	18.4	-
306704 ZZ	20	62	22	19.6	12.7	-
306703 ZZ	17	52	22	17.8	10.7	-
306702 ZZ	15	47	19	12.8	8.2	-
306701 ZZ	12	42	19	13.1	7.4	-
306700 ZZ	10	37	19	10.5	5.8	-
305709 ZZ	45	90	30	41.5	33.6	-
305708 ZZ	40	85	30	41.8	33.3	-
305707 ZZ	35	80	27	31.5	24.5	-
305706 ZZ	30	72	23	25.2	18.3	-
305705 ZZ	25	62	20	18.8	13.7	-
305704 ZZ	20	52	20	16.3	10.5	-
305703 ZZ	17	47	17	12.7	8.2	-
305702 ZZ	15	40	15	10.3	6.3	-
305701 ZZ	12	35	15	7.8	4.6	-
305700 ZZ	10	32	14	7.1	3.9	-

Type

Main dimensions

Rated load

Rated speed

Dynamics

Static

Speed limit

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d[mm]

D[mm]

B[mm]

C[kN]

C₀[kN]

[r/min]

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Diversified Specification Series：Covering a variety of size specifications. They can meet the precise roller size requirements of different equipment, with wide adaptability.

Made of High-quality Materials：They are made of high-quality steel or special alloys, possessing excellent strength and toughness. They can bear large pressure and impact forces, ensuring stable operation under complex working conditions.
High Load-bearing Reliability：With high-quality materials and precision processes, they have strong load-bearing capacity. They can reliably support both radial and axial loads and are often used in key parts of heavy machinery and industrial production lines.
Stable Operation Guarantee：The high-precision surface treatment and dimensional control make the rollers operate with small vibration and low noise at high speeds, reducing the risk of equipment failure and extending the service life of the equipment.
Flexible Application Scenarios：The serialized design enables them to be flexibly applied in multiple fields such as metallurgy, mining, and mechanical manufacturing, meeting the diverse operational requirements of different industries.

Application

The bearings can be used in the following industries

Metallurgical Industry：In equipment such as rolling mills and continuous casters, as key transmission or support components, they cope with high-temperature and heavy-load working conditions, ensuring the smooth flow of the steel production process.
Mining Extraction：Mining machinery such as crushers and ball mills rely on them for stable operation, bearing the huge forces during ore crushing and grinding, improving mining efficiency.
Mechanical Manufacturing：The transmission mechanisms of various large machine tools and automated production lines utilize their high-precision and high-load characteristics to achieve precision machining and efficient production.