Qw. 355.20 Rotary Table Ring Gear Bearing Made in China

• Customization: Available
• Standard or Nonstandard: Standard
• Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
• Model NO.: QW. 355.20
• Sealing Gland: Sealed On Both Sides
• Rolling-Element Number: Single-Row
• Material: Bearing Steel
• Type: External Gear
• Advantage: Low Noise, Low Vibration,High Precesion
• Seals Type: as Requirement NBR
• MOQ: 1 Set
• Application: Mining, Petroleum, Automatic,Excavator,Crane,
• Certificate: 3.1,3.2,ABS,BV,CCS,Nk
• Delivery Time: 3-40days
• OEM&ODM: Yes
• Precision: P0,P6,P5,P4,P3,P2
• Rolling Element: Gcr5
• Operating Tempereature: -40-+150
• Raceway Hardness: 55~62HRC
• Teeth: Inner Gear,Outer Gear None Gear
• Transport Package: Plywood Package
• Specification: QW. 355.20
• Trademark: LYMC
• Origin: Luoyang
• HS Code: 8482109000
• Production Capacity: 3000PCS Per Year
• Package Size: 496.00cm * 496.00cm * 160.00cm
• Package Gross Weight: 51.000kg

Product Description

QW.355.20 Rotary Table Slewing Bearing Made In China

Product Description

Four-point contact ball slewing turntable bearings
consist of two ring seats. Compact structure, light weight, steel ball and arc track contact at four points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.

The QW series single row four-point contact ball slewing bearings represent a significant advancement in the field of rotary support technology. Engineered with precision and durability in mind, these bearings are designed to meet a variety of industrial applications, providing robust support and exceptional performance.

Advantages

One of the primary advantages of the QW series is its four-point contact design, which distributes loads evenly across the bearing. This feature enhances load capacity, allowing for both axial and radial loads, as well as overturning moments. The design minimizes stress concentrations, ensuring longer service life and reduced wear, which translates into lower maintenance costs and improved operational efficiency.

Additionally, the QW series bearings are particularly lightweight compared to traditional slewing rings, facilitating easier installation and reduced energy consumption in several applications. Their compact structure also allows for a more streamlined design in machinery, contributing to space-saving solutions without sacrificing performance.

Features

The QW series is notable for its robust construction, incorporating high-quality materials that provide resistance to wear and corrosion. These bearings are equipped with precision balls and a hardened raceway, optimizing performance under heavy loads while maintaining smooth rotation. Furthermore, the QW series features various sealing options to protect against dirt and moisture, ensuring continuous operation in harsh environments.

Moreover, customization options are available for the QW series, allowing clients to specify specifications tailored to their unique operational requirements. This adaptability makes the QW series suitable for diverse applications, including construction machinery, cranes, and industrial automation.

In conclusion, the QW series single row four-point contact ball slewing bearings stand as a superior choice for industries seeking reliability, efficiency, and performance. With their optimized design and material integrity, these bearings are poised to meet the rigorous demands of modern applications, ensuring longevity and operational excellence.

 

Type	External Size			Holes						Structure		Teeth Information
	Outer Dia		H	Du	Dn	n	A	B/C/D		n1	h	B	m	x=-0.5
										QTY				De	z	W
	D	d					φ	d1	T
	mm						mm				mm		mm			kg
QW.315.20	406	222	60	370	260	10	17	M16	24	2	10	40	3	423	140	35
QW.315.20A													4	428	106	36
QW.355.20	446	262	60	410	300	10	17	M16	24	2	10	40	3	462	153	40
QW.355.20A													4	468	116	41
QW.400.20	490	307	60	455	345	12	17	M16	24	2	10	40	4	512	127	45
QW.400.20A													5	520	103	47
QW.450.20	540	357	60	505	395	12	17	M16	24	2	10	40	4	564	140	51
QW.450.20A													5	570	113	53
QW.500.20	590	407	60	555	445	14	17	M16	24	2	10	40	5	615	122	56
QW.500.20A													6	624	103	58
QW.560.20	654	464	70	618	502	14	17	M16	30	2	10	50	4	680	169	78
QW.560.20A													5	685	136	79
QW.630.20	724	534	70	688	572	16	17	M16	30	2	10	50	4	748	186	86
QW.630.20A													5	755	150	88
QW.710.20	804	614	70	768	652	18	17	M16	30	2	10	50	5	835	166	99
QW.710.20A													6	840	139	101
QW.800.20	894	704	70	858	742	20	17	M16	30	2	10	50	6	930	154	114
QW.800.20A													8	936	116	114
QW.800.25	904	692	78	864	736	18	22	M20	36	2	10	58	6	942	156	143
QW.800.25A													8	952	118	147
QW.900.25	1004	792	78	964	836	20	22	M20	36	2	10	58	8	1048	130	162
QW.900.25A													10	1060	105	168
QW.1000.25	1104	892	78	1064	936	24	22	M20	36	2	10	58	8	1152	143	182
QW.1000.25A													10	1160	115	185
QW.1000.32	1120	876	90	1074	926	24	24	M22	40	2	10	70	8	1160	144	227
QW.1000.32A													10	1170	116	232
QW.1120.32	1240	996	90	1194	1046	28	24	M22	40	4	10	70	10	1300	129	272
QW.1120.32A													12	1308	108	275
QW.1250.32	1370	1126	90	1324	1176	32	24	M22	40	4	10	70	10	1430	142	302
QW.1250.32A													12	1440	119	309
QW.1400.32	1520	1276	90	1474	1326	36	24	M22	40	4	10	70	12	1584	131	337
QW.1400.32A													14	1596	113	347
QW.1250.40	1390	1108	102	1336	1164	32	26	M24	45	4	12	80	10	1450	144	396
QW.1250.40A													12	1452	120	392
QW.1400.40	1540	1258	102	1486	1314	36	26	M24	45	4	12	80	12	1608	133	448
QW.1400.40A													14	1610	114	443
QW.1600.40	1740	1458	102	1686	1514	40	26	M24	45	4	12	80	12	1812	150	528
QW.1600.40A													14	1820	129	534
QW.1800.40	1940	1658	102	1886	1714	44	26	M24	45	4	12	80	14	2016	143	583
QW.1800.40A													16	2032	126	607
QW.1600.50	1762	1434	124	1704	1496	40	30	M27	50	4	12	100	12	1824	151	714
QW.1600.50A													14	1834	130	727
QW.1800.50	1964	1634	124	1904	1696	44	30	M27	50	4	12	100	14	2044	145	845
QW.1800.50A													16	2048	127	843
QW.2000.50	2162	1834	124	2104	1896	48	30	M27	50	6	12	100	16	2240	139	912
QW.2000.50A													18	2250	124	927
QW.2240.50	2402	2074	124	2344	2136	54	30	M27	50	6	12	100	16	2480	154	1020
QW.2240.50A													18	2502	138	1078
QW.2500.50	2662	2334	124	2604	2396	60	30	M27	50	6	12	100	18	2754	152	1171
QW.2500.50A													20	2760	137	1175
QW.2500.60	2696	2304	150	2626	2374	60	33	M30	56	6	14	122	18	2790	154	1677
QW.2500.60A													20	2800	139	1701

 

Related Slewing Bearing

Single row cross roller slewing bearing
Composed of two or three rings. compact structure, light weight, high manufacturing accuracy, small assembly gap and high requirement for installation accuracy. Rollers are 1:1 cross-arranged.
Can be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery and precesion products.

Double row ball slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.

Three row roller slewing bearing
Three row roller bearing able to bear all kinds of loads at the same time, it is the largest one of the four structural products with large axle and radial dimensions and firm structure. Especially suitable for heavy machinery requiring larger diameter, such as bucket wheel stacker and reclaimer, wheel crane, marine crane, port crane, ladle turret,large tonnage truck crane,heavy machinery and so on.
 

Type	• Single row four point contact ball slewing bearing  • Single row crossed cylindrical roller slewing bearings • Double row ball slewing bearings •Double row Roller/ball combination slewing bearing •Three-Row Roller Slew Ring Bearing
Rolling elements	Steel ball / Cylinder Roller
Rolling elements Material	GCr5/GCr15SiMn/Customized
Bearing Material	50Mn/42CrMo/42CrMo4V /Customized
Cage Material	Nylon/ steel /copper
Structure	taper pin , Mounting holes,Inner ring ,grease fitting,load plug, seals , roller ,spacer balls or separators
Outer diameter	50-10000mm
Bore size	50-10000mm
Mounting hole	Through hole/Tapped hole
Raceway hardness	55-62HRC
Inner and outer ring  modulation hardness	229-269HB/Customized
Gear type	No gear ,Internal gear , External gear.
Embellish grease	EP2 lithium lubricating grease
Certificate	ABS.BV,DNV,ISO9001,GL,3.1,3.2
Application area	Ladle turret,Stacker crane,Bucket wheel machine,Solar heliostat Tracking System,port crane, Cabling machine,tower crane , offshore platform,ferris wheel, Palletizing robot,Rotary metallurgical furnace,can packing machine,Wind blade transporter,shield tunneling machine,tube push bench,excavator
Brand Name	LYMC
Place of Origin	Luoyang Henan
Warranty	12 months
Payment term	T/T is our first choice
Packing details	1,Filling with anti-rust oil 2.Corved with Plastic paper 3.Corved with kraft paper  4.Corved with Blue tie  5.Put in wooden box

 

Detailed Photos

 

Product Process
Application:

- Excavators - Drilling rigs - Mining Equipments - Cranes   -Offshore Equipments  - Vehicles  - Machine Tools  - Wind Turbines

About Us:
Luoyang MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
*Professional in researching, developing, producing & marketing high precision bearings for 16 years;
*Many series bearings are on stock; Factory directly provide, most competitive price;
*Advanced CNC equipment, guarantee product accuracy & stability;
*One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
*Excellent pre-sale & after sale service. We can go to customers' project site if needed.
*Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.

Our Service:

FAQ:
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years' experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service.