Spherical Thrust Roller Bearing

Komel Bearing Co.,Ltd is a leading Spherical Thrust Roller Bearing manufacturer and supplier in China. We have been specialized in bearing filed for many years. Our products have a good price advantage and we have exported our bearings to many markets. We look forward to become your long-term partner in China.

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Product Description

China KOMEL Spherical Thrust Roller Bearing consist of a barrel-shaped housing, an inner surface with raceways, outer surfaces and a bushing. Barrels are solid rollers used as rolling tools. The design provides a tighter fit between the inner and outer rings of the bearing under axial loads, thereby achieving better contact between the Spherical Thrust Roller Bearing and the raceway and reducing stress. Each inner and outer ring has a raceway that receives the rotating parts.

The inner raceway has a split design consisting of a washer and double holes. The shaft washers have a common raceway aligned with the rotation, while thrust washers are used to prevent rotational movement. The Spherical Thrust Roller Bearing is usually the most important element and its shape harmonizes with the rotation, providing support and guidance.

The cage is used to properly distribute the rotations and their direction of movement, ensuring smooth operation of the gears without any backlash. The design of the cage must take into account the characteristics of the rotor movement in the axial and radial directions to ensure stability and reliability during high-speed rotation and self-loading.

These bearings have high load capacity, good self-centering characteristics, high friction coefficient and load resistance. They are widely used in industries such as metallurgy, mining, oil and gas and wind power.

Parameter (Specification)

Model Number	Inner Diameter	Outer Diameter	Width
29412	60	130	42
29414	70	150	48
29415	75	160	51
29416	80	170	54
29317	85	150	39
29417	85	180	58
29318	90	155	39
29418	90	190	60
29320	100	170	42
29420	100	210	67
29322	110	190	48
29422	110	230	73
29324	120	210	54
29424	120	250	78
29326	130	225	58
29426	130	270	85
29328	140	240	60
29428	140	280	85
29230	150	215	39
29330	150	250	60
29430	150	300	90
29332	160	270	64
29432	160	320	95
29334	170	280	67
29434	170	340	103
29236	180	250	42
29336	180	300	73
29436	180	360	109
29338	190	320	78
29438	190	380	115
29240	200	280	48
29340	200	340	85
29440	200	400	122
29244	220	300	48
29344	220	360	85
29444	220	420	122
29248	240	340	60
29348	240	380	85
29448	240	440	122
29252	260	360	60
29352	260	420	95
29452	260	480	132
29256	280	380	60
29356	280	440	95
29456	280	520	145
29260	300	420	73
29360	300	480	109
29460	300	540	145
29264	320	440	73
29364	320	500	109
29464	320	580	155
29268	340	460	73
29368	340	540	122
29468	340	620	170
29272	360	500	85
29372	360	560	122
29472	360	640	170
29276	380	520	85
29376	380	600	132
29476	380	670	175
29280	400	540	85
29380	400	620	132
29480	400	710	185
29284	420	580	95
29384	420	650	140
29484	420	730	185
29288	440	600	95
29388	440	680	145
29488	440	780	206
29292	460	620	95
29392	460	710	150
29492	460	800	206
29296	480	650	103
29396	480	730	150
29496	480	850	224
292/500	500	670	103
293/500	500	750	150
294/500	500	870	224
292/530	530	710	109
293/530	530	800	160
294/530	530	920	236
292/560	560	750	115
294/560	560	980	250
292/600	600	800	122
293/600	600	900	180
294/600	600	1030	258
292/630	630	850	132
293/630	630	950	190
294/630	630	1090	280
292/670	670	900	140
294/670	670	1150	290
293/710	710	1060	212
294/710	710	1220	308
292/750	750	1000	150
293/750	750	1120	224
294/750	750	1280	315
292/800	800	1060	155
293/800	800	1180	230
294/800	800	1360	335
292/850	850	1120	160
294/850	850	1440	354
294/900	900	1520	372

Suffixes

Related to internal design

· E: Enhanced design. This design usually means an increase in the number of rolling elements, optimization of their sizes, or improvement in the cage structure, thereby enhancing the bearing's load - carrying capacity. For example, some single - row cylindrical roller bearings of SKF with the suffix "E" feature an optimized internal geometry and cage design, resulting in higher rated loads.

· EM: Enhanced design with a machined brass cage. Compared with ordinary cages, the machined brass cage has better strength and wear resistance, making it suitable for more demanding working conditions.

· MA: It uses a machined brass cage guided by the outer ring. This type of cage can provide good lubrication and heat dissipation performance. Meanwhile, the outer - ring guidance ensures the stability of the cage during high - speed rotation.

Related to tolerance class

· P0: Normal tolerance class. This is the most common tolerance class, suitable for most general industrial applications.

· P6: A tolerance class stricter than P0. It is applicable to situations where a certain level of rotational accuracy is required, such as the feed axes of machine tools.

· P5: Higher precision than P6. It is commonly used in the main shafts of high - precision machine tools, aerospace equipment, and other fields with extremely high precision requirements.

Related to clearance

· C1: Smaller than the normal clearance. It is suitable for situations where strict control of axial and radial displacements is required, such as the main shafts of precision machine tools.

· C2: The clearance is smaller than the normal clearance but larger than C1. It is used when a certain level of clearance control is needed but not as strict.

· CN: Normal clearance. It is the most commonly used clearance class, suitable for most general industrial applications.

· C3: The clearance is larger than the normal clearance. It is often used in high - temperature environments or when the interference fit between the shaft and the bearing housing is relatively large, to compensate for the decrease in clearance caused by temperature changes or the fit.

· C4: The clearance is larger than C3. It is suitable for higher - temperature environments or larger interference fits.

· C5: The largest clearance. It is generally used in special working conditions with high temperature, high speed, or large interference fits.

Application

Metallurgical industry: In metallurgical equipment, such as the backup rolls and working rolls of large rolling mills, as well as the mold oscillation devices of continuous casting machines, spherical thrust roller bearings are often used. During the operation of these equipment, large axial and radial forces will be generated. Spherical thrust roller bearings can effectively withstand these loads and ensure the stable operation of the equipment.

Mining machinery: For example, in mining machinery equipment like crushers and ball mills, the transmission shafts need to bear large axial and radial loads during operation. Spherical thrust roller bearings can provide reliable support for the transmission shafts of these equipment, adapt to different working conditions, and improve the working efficiency and service life of the equipment.

Petrochemical industry: In some large rotating equipment in the petrochemical industry, such as compressors and pumps, spherical thrust roller bearings are also widely used. During the operation of these equipment, due to factors such as medium pressure and the weight of the rotor, large axial and radial forces will be generated. Spherical thrust roller bearings can meet the requirements of these equipment for the bearing capacity and reliability of the bearings.

Wind power generation: The main shaft bearings of wind turbine generator sets usually use spherical thrust roller bearings. Since the impellers of wind turbines are affected by various forces such as the axial thrust of the wind and gravity during operation, spherical thrust roller bearings can effectively bear these loads and adapt to the inclination and deformation of the main shaft under different working conditions, ensuring the stable operation of the wind turbines.

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