What are the key factors to consider when selecting four point contact ball bearings for my application?

When selecting four point contact ball bearings, consider the load requirements, speed capabilities, and environmental conditions of your application. Our bearings are designed to handle high loads and operate at high speeds, making them suitable for heavy-duty machinery. Additionally, the chrome steel material ensures resistance to wear and corrosion, which is essential for longevity in harsh environments.

How do I ensure the longevity of four point contact ball bearings in my machinery?

To ensure the longevity of four point contact ball bearings, it is crucial to maintain proper lubrication and regular maintenance checks. Lubrication reduces friction and heat, while regular inspections can help detect any signs of wear or damage early, allowing for timely maintenance or replacement. Following the manufacturer's guidelines for installation and operation is also essential to prevent premature failure.

Four Point Contact Ball Bearings (Inner Gear)

High-Performance Bearings for Industrial Gears

Our four point contact ball bearings (inner gear) are meticulously designed for applications requiring high load capacity and precision. These bearings are crafted from chrome steel, ensuring durability and resistance to wear in heavy-duty environments. They are specifically tailored for inner gear mechanisms, providing reliable performance in industries such as automotive, aerospace, and heavy machinery.

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KVSI Series Four-Point Contact Ball Slewing Bearing

Model	Outer Diameter D	Bore d	Outer Ring Inner Dia d1	Outer Ring Stop Diameter (D Zt-IT8)	Inner Ring Outer Dia D1	Inner Ring Stop Diameter (D1zt+IT8)	Module	Teeth Number	Pitch Circle Diameter do	Axial Dynamic Load Ca	Axial Static Load Coa	Radial Dynamic Load Cr	Radial Static Load Cor	Outer Ring PCD1	Mount Hole	Inner Ring PCD2	Mount Hole	Axial Clearance	Radial Clearance
KVSI200414	486-0.5	325	415.5+0.5	484	412.5-0.5	411	5	67	335	169	560	111	248	460	24-M14	375	24-M12 Deep 20	0～0.08	0～0.05
KVSI200544	616-0.5	444	545.5+0.5	614	542.5-0.5	541	6	76	456	188	740	123	325	590	32-M14	505	32-M12 Deep 20	0～0.08	0～0.05
KVSI200644	716-0.5	546	645.5+0.6	714	642.5-0.6	641	6	93	558	200	880	131	385	690	36-M14	605	36-M12 Deep 20	0～0.08	0～0.05
KVSI200744	816-0.6	648	745.5+0.6	814	742.5-0.6	741	6	110	660	211	1010	138	445	790	40-M14	705	40-M12 Deep 20	0～0.08	0～0.05
KVSI200844	916-0.6	736	845.5+0.6	914	842.5-0.6	841	8	94	752	222	1150	145	510	890	40-M14	805	40-M12 Deep 20	0～0.08	0～0.05
KVSI200944	1016-0.7	840	945.5+0.7	1014	942.5-0.7	941	8	107	856	231	1280	151	570	990	44-M14	905	44-M12 Deep 20	0～0.08	0～0.05
KVSI201094	1166-0.7	984	1095.5+0.7	1164	1092.5-0.7	1091	8	125	1000	244	1490	160	660	1140	48-M14	1055	48-M12 Deep 20	0～0.08	0～0.05

KVSI125 Series Four-Point Contact Ball Slewing Bearing

Model	Outer Diameter D	Bore di	Minor Outer Diameter Da	Outer Ring Inner Diameter Di	Inner Ring Outer Diameter da	Minor Inner Diameter d	Module m	Teeth Number z	Pitch Circle Diameter do	Axial Dynamic Load Ca	Axial Static Load Coa	Radial Dynamic Load Cr	Radial Static Load Cor	Outer Ring PCD1	Mount Hole	Inner Ring PCD2	Mount Hole	Radial Clearance	Axial Clearance
KVSI250755	855	610	853	753	757	755	10	63	630	460	2250	300	1010	816	24-M22	695	24-M20 Deep 40	0.03～0.13	0.05～0.24
KVSI250855	955	710	953	853	857	855	10	73	730	485	2550	315	1150	916	28-M22	795	28-M20 Deep 40	0.03～0.13	0.05～0.24
KVSI250955	1055	810	1053	953	957	955	10	83	830	500	2850	330	1280	1016	30-M22	895	30-M20 Deep 40	0.03～0.13	0.05～0.24
KVSI251055	1155	910	1153	1053	1057	1095	10	93	930	520	3150	340	1410	1116	30-M22	995	30-M20 Deep 40	0.03～0.13	0.05～0.24

KVLI Series Four-Point Contact Ball Slewing Bearing

Model	Outer Diameter D	Outer Ring Stop Diameter(Dzt-IT8)	Outer Ring Inner Diameter d1	Bore d	Inner Ring Outer Diameter(DI-IT8)	Inner Ring Outer Diameter D1	Module m	Teeth Number z	Pitch Circle Diameter do	Axial Dynamic Load Ca	Axial Static Load Coa	Radial Dynamic Load Cr	Radial Static Load Cor	Outer Ring PCD1	Number of Outer Mount Holes na	Inner Ring PCD2	Number of Inner Mount Holes ni
KVLI200414	518-0.5	516	415.5+0.5	325	411	412.5	5	67	335	169	295	111	110	490	8	375	12
KVLI200544	648-0.5	646	545.5+0.5	444	541	542.5	6	76	456	188	385	123	145	620	10	505	14
KVLI200644	748	746	645.5+0.6	546	641	642.5	6	93	558	200	455	131	171	720	12	605	18
KVLI200744	848-0.6	846	745.5+0.6	638	741	742.5	6	110	660	211	530	138	198	820	12	705	20
KVLI200844	948-0.6	946	845.5+0.6	736	841	842.5	8	94	752	222	600	145	224	920	14	805	20
KVLI200944	1048-0.7	1046	945.5+0.7	840	941	942.5	8	107	856	231	670	151	250	1020	16	905	22
KVLI201094	1198-0.7	1196	1095.5+0.7	984	1091	1092.5	8	125	1000	244	770	160	290	1170	16	1055	24

Why Choose Four Point Contact Ball Bearings for Your Gears?

Four point contact ball bearings are engineered to distribute the load evenly across four contact points, enhancing their load-carrying capacity and reducing stress concentrations. This specific design is crucial for inner gear mechanisms that demand high precision and reliability. With a chrome steel construction, our bearings offer superior strength and resistance to deformation, making them ideal for applications in heavy machinery where high dynamic loads are common.

These bearings are widely used in the automotive and aerospace industries due to their ability to handle high speeds and maintain consistent performance over extended periods. They are also favored in heavy machinery for their robustness and long service life, which translates to reduced maintenance and downtime.

Compared to other bearing types, four point contact ball bearings provide a distinct advantage in terms of load distribution and durability. Their design ensures minimal friction and optimal energy efficiency, which is particularly beneficial in applications where energy conservation is a priority.

High load capacity due to four-point contact design
Chrome steel construction for superior strength and wear resistance
Optimized for high-speed applications in heavy-duty machinery

Technical Specifications and Benefits

STEP 1

Even Load Distribution

The four point contact design allows for an even distribution of radial and axial loads, reducing stress on the bearing and extending its service life.

STEP 2

Chrome Steel Material

Made from high-quality chrome steel, these bearings offer excellent hardness and resistance to wear, suitable for high-load applications.

STEP 3

High Speed Capability

Designed for high-speed rotation, these bearings maintain precision and stability even at elevated speeds, crucial for high-performance machinery.

STEP 4

Long Service Life

Due to their robust construction and material, these bearings have a long service life, reducing the need for frequent replacements and minimizing maintenance costs.