Slewing Bearings Rotary Bearing with External Teeth for Truck Crane Ebl. 20.0844.200 -1sptn

• Customization: Available
• Standard or Nonstandard: Standard
• Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
• Model NO.: EBL. 20.0844.200 -1SPTN
• Rolling-Element Number: Single-Row
• Roller Type: Deep Groove Raceway
• Material: 50mn 42CrMo
• Type: External Gear
• Transport Package: Wooden Box
• Specification: ISO9001: 2008
• Trademark: LYHY
• Origin: China
• HS Code: 8482109000
• Production Capacity: 5000PCS

Product Description

LYHY is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball slewing ring bearings, roller slewing bearings and precision slewing ring bearings as per customer's different technical requirements.

Slewing ring bearing is also called slewing ring, slewing bearing, turntable bearing, and rotary bearing.
Slewing ring bearing is a bearing that able to bear axial load, radial load and overturning torque. Under normal circumstances, slewing ring bearings have their own mounting holes, lubricant holes and seal holes, to meet the different needs of the various host working under the various conditions;






On the other hand, slewing ring bearing itself has characteristics of compact structure, guide rotating convenient, easy to install and maintaining easily.




Slewing Ring Bearings------Types:
1.       four point contact ball slewing ring bearings
2.       double row ball four point contact slewing ring bearings(same diameter ball; different diameter ball)
3.       cross roller slewing ring bearings
4.       triple row cylindrical roller combined slewing ring bearings
5.       ball roller combined slewing ring bearings
6.       light flanged slewing ring bearings


Slewing Ring Bearings------Technical Data:
1.       Material: 42CrMo, 50Mn
2.       Precision: P0. P6. P5.
3.       Outside diameter: 200~9500mm
4.       Cage/retainer: Nylon or aluminum
5.       Gear type: non-geared, internal gear and external gear, gear hardened


Slewing Ring Bearings------Applications:
Slewing ring bearings are widely used in industry and known as "the machine joints"
Hereunder is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipments (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipments (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Packing machinery






Slewing Ring Bearings------Packaging Details:
Step 1: Covered with the anti-rust oil
Step 2: wrapped with the plastic film;
Step 3: Packed with Kraft paper and professional belts;
Step 4: Put into wooden box to avoid the rust or the moist;
Remark: Normally, plastic film+ Kraft +belt+ wooden box, but customized packing available,



Our Advantages:
1. Good quality and competitive price
2. Trial order accepted
3. ISO certified company
4. OEM and ODM accepted
5. Manufacturing slewing ring bearings since 1993

Slewing bearing------Surface treatment:
1: black surface treatment
2: Surface sandblasting and painting
3: Surface chrome plating
4: Surface spray zinc treatment
5: Surface phosphating treatment
6: Dacromet treatment




Slewing Ring- Seal 
The sealing of slewing bearing is mainly to prevent the filled grease from leaking out, and also to prevent external dust, impurities and moisture from entering the inside of the bearing and affecting the normal operation of the bearing.

Since most of the slewing bearings work under heavy loads and low speeds, the sealing form of the bearings adopts two structures: rubber seal ring seal and labyrinth seal. The rubber sealing ring itself has a simple structure, small space occupation and reliable sealing performance. The disadvantage is that it is prone to early aging under high temperature conditions and loss of airtightness. Therefore, under high temperature conditions, the slewing bearing should adopt a labyrinth seal. In addition, the material of the sealing ring under high temperature is high temperature resistant fluoro rubber.




Slewing ring bearing- Maintain
1. The slewing bearing should be greased regularly. According to different types of slewing bearings, the specific grease filling time is as follows: the ball type is filled with grease every 100 hours of operation; the roller type is filled with grease every 50 hours of operation .

2. The sundries on the surface of the slewing ring should be removed frequently during use, and the sealing strip of the slewing ring should be checked for aging, cracking, damage or separation. If one of these conditions occurs, the sealing strip should be replaced in time to prevent debris from entering the raceway and the loss of grease.

Pay close attention to the operation of the slewing ring during use. If you find that the noise, impact, or power suddenly increases, you should stop the machine immediately for inspection until all the faults are eliminated, and disassemble and inspect if necessary.


LYHY Slewing bearings:

four point contact ball slewing bearing with internal gear
ZBL.20.0314.200 -1SPTN	ZBL.20.0314.201 -1SPTN	ZBL.30.0955.200 -1SPTN	ZBL.30.0955.201 -1SPTN
ZBL.20.0414.200 -1SPTN	ZBL.20.0414.201 -1SPTN	ZBL.30.1055.200 -1SPTN	ZBL.30.1055.201 -1SPTN
ZBL.20.0544.200 -1SPTN	ZBL.20.0544.201 -1SPTN	ZBL.30.1155.200 -1SPTN	ZBL.30.1155.201 -1SPTN
ZBL.20.0644.200 -1SPTN	ZBL.20.0644.201 -1SPTN	ZBL.30.1255.200 -1SPTN	ZBL.30.1255.201 -1SPTN
ZBL.20.0744.200 -1SPTN	ZBL.20.0744.201 -1SPTN	ZBL.30.1355.200 -1SPTN	ZBL.30.1355.201 -1SPTN
ZBL.20.0844.200 -1SPTN	ZBL.20.0844.201 -1SPTN	ZBL.30.1455.200 -1SPTN	ZBL.30.1455.201 -1SPTN
ZBL.20.0944.200 -1SPTN	ZBL.20.0944.201 -1SPTN
ZBL.20.1094.200 -1SPTN	ZBL.20.1094.201 -1SPTN
four point contact ball slewing bearing with external gear
EBL.20.0314.200 -1SPTN	EBL.20.0314.201 -2SPTN	EBL.30.0955.200-1STPN	EBL.30.0955.201-2STPN
EBL.20.0414.200 -1SPTN	EBL.20.0414.201 -2SPTN	EBL.30.1055.200-1STPN	EBL.30.1055.201-2STPN
EBL.20.0544.200 -1SPTN	EBL.20.0544.201 -2SPTN	EBL.30.1155.200-1STPN	EBL.30.1155.201-2STPN
EBL.20.0644.200 -1SPTN	EBL.20.0644.201 -2SPTN	EBL.30.1255.200-1STPN	EBL.30.1255.201-2STPN
EBL.20.0744.200 -1SPTN	EBL.20.0744.201 -2SPTN	EBL.30.1355.200-1STPN	EBL.30.1355.201-2STPN
EBL.20.0844.200 -1SPTN	EBL.20.0844.201 -2SPTN	EBL.30.1455.200-1STPN	EBL.30.1455.201-2STPN
EBL.20.0944.200 -1SPTN	EBL.20.0944.201 -2SPTN
EBL.20.1094.200 -1SPTN	EBL.20.1094.201 -2SPTN
four point contact ball slewing bearing without gear teeth
NBL.20.0314.200-1PPN	NBL.20.0314.201-2PPN	NBL.30.0955.200-1PPN	NBL.30.0955.201-2PPN
NBL.20.0414.200-1PPN	NBL.20.0414.201-2PPN	NBL.30.1055.200-1PPN	NBL.30.1055.201-2PPN
NBL.20.0544.200-1PPN	NBL.20.0544.201-2PPN	NBL.30.1155.200-1PPN	NBL.30.1155.201-2PPN
NBL.20.0644.200-1PPN	NBL.20.0644.201-2PPN	NBL.30.1255.200-1PPN	NBL.30.1255.201-2PPN
NBL.20.0744.200-1PPN	NBL.20.0744.201-2PPN	NBL.30.1355.200-1PPN	NBL.30.1355.201-2PPN
NBL.20.0844.200-1PPN	NBL.20.0844.201-2PPN	NBL.30.1455.200-1PPN	NBL.30.1455.201-2PPN
NBL.20.0944.200-1PPN	NBL.20.0944.201-2PPN
NBL.20.1094.200-1PPN	NBL.20.1094.201-2PPN
four point contact ball slewing bearing with external gear
EB1.20.0314.200-1STPN	EB1.20.0314.201-2STPN	EB1.25.0455.200-1STPN	EB1.25.0455.201-2STPN	EB1.25.1204.400-1STPN
EB1.20.0414.200-1STPN	EB1.20.0414.201-2STPN	EB1.25.0555.200-1STPN	EB1.25.0555.201-2STPN	EB1.25.1314.400-1STPN
EB1.20.0544.200-1STPN	EB1.20.0544.201-2STPN	EB1.25.0655.200-1STPN	EB1.25.0655.201-2STPN	EB1.25.1424.400-1STPN
EB1.20.0644.200-1STPN	EB1.20.0644.201-2STPN	EB1.25.0755.200-1STPN	EB1.25.0755.201-2STPN	EB1.25.1534.400-1STPN
EB1.20.0744.200-1STPN	EB1.20.0744.201-2STPN	EB1.25.0855.200-1STPN	EB1.25.0855.201-2STPN	EB1.25.1644.400-1STPN
EB1.20.0844.200-1STPN	EB1.20.0844.201-2STPN	EB1.25.0955.200-1STPN	EB1.25.0955.201-2STPN	EB1.25.1754.400-1STPN
EB1.20.0944.200-1STPN	EB1.20.0944.201-2STPN	EB1.25.1055.200-1STPN	EB1.25.1055.201-2STPN	EB1.25.1904.400-1STPN
EB1.20.1094.200-1STPN	EB1.20.1094.201-2STPN	EB1.25.1155.200-1STPN	EB1.25.1155.201-2STPN	EB1.20.0224.200-1STTN
EB1.50.1900.400-1SPPN	EB1.25.0856.200-1STPN	EB1.25.1255.200-1STPN	EB1.25.1255.201-2STPN	EB1.25.0475.202-1SPP N
EB1.50.2130.400-1SPPN	EB1.25.1076.200-1SPPN	EB1.25.1355.200-1STPN	EB1.25.1355.201-2STPN	EB1.20.0662.200-1STTN
EB1.50.2355.400-1SPPN	EB1.25.1076.201-1STPN	EB1.25.1455.200-1STPN	EB1.25.1455.201-2STPN	EB1.22.0758.201-1SPP N
EB1.50.2645.400-1SPPN	EB1.25.1525.200-1STPN	EB1.22.0225.400-1SPP N	EB1.22.0308.200-1SPP N	EB1.25.0854.200-1SPP N
four point contact ball slewing bearing without gear teeth
NB1.20.0314.200-1PPN	NB1.20.0314.201-2PPN	NB1.25.0455.200-1PPN	NB1.25.0455.201-2PPN	NB1.25.1204.400-1PPN
NB1.20.0414.200-1PPN	NB1.20.0414.201-2PPN	NB1.25.0555.200-1PPN	NB1.25.0555.201-2PPN	NB1.25.1314.400-1PPN
NB1.20.0544.200-1PPN	NB1.20.0544.201-2PPN	NB1.25.0655.200-1PPN	NB1.25.0655.201-2PPN	NB1.25.1424.400-1PPN
NB1.20.0644.200-1PPN	NB1.20.0644.201-2PPN	NB1.25.0755.200-1PPN	NB1.25.0755.201-2PPN	NB1.25.1534.400-1PPN
NB1.20.0744.200-1PPN	NB1.20.0744.201-2PPN	NB1.25.0855.200-1PPN	NB1.25.0855.201-2PPN	NB1.25.1644.400-1PPN
NB1.20.0844.200-1PPN	NB1.20.0844.201-2PPN	NB1.25.0955.200-1PPN	NB1.25.0955.201-2PPN	NB1.25.1754.400-1PPN
NB1.20.0944.200-1PPN	NB1.20.0944.201-2PPN	NB1.25.1055.200-1PPN	NB1.25.1055.201-2PPN	NB1.25.1904.400-1PPN
NB1.20.1094.200-1PPN	NB1.20.1094.201-2PPN	NB1.25.1155.200-1PPN	NB1.25.1155.201-2PPN	NB1.20.0260.201-1PP N
NB1.25.0475.200-1PPN	NB1.14.0179.200-1PP N	NB1.25.1255.200-1PPN	NB1.25.1255.201-2PPN	NB1.20.0260.202-1PP N
NB1.28.0716.200-1PPN	NB1.14.0179.201-1PP N	NB1.25.1355.200-1PPN	NB1.25.1355.201-2PPN	NB1.22.0308.200-1PP N
NB1.25.0763.200-1PPN	NB1.20.0220.200-1PP N	NB1.25.1455.200-1PPN	NB1.25.1455.201-2PPN	NB1.25.0308.200-1PP N
NB1.25.1076.200-1PPN	NB1.20.0260.200-1PP N
four point contact ball slewing bearing with internal gear
A8-17N4D	ZB1.20.0314.200-1SPTN	ZB1.20.0314.201-2SPTN	ZB1.25.0455.200-1STPN	ZB1.25.0455.201-2STPN
A14-33N1	ZB1.20.0414.200-1SPTN	ZB1.20.0414.201-2SPTN	ZB1.25.0555.200-1STPN	ZB1.25.0555.201-2STPN
A13-46N1A	ZB1.20.0544.200-1SPTN	ZB1.20.0544.201-2SPTN	ZB1.25.0655.200-1STPN	ZB1.25.0655.201-2STPN
A16-56N5	ZB1.20.0644.200-1SPTN	ZB1.20.0644.201-2SPTN	ZB1.25.0755.200-1STPN	ZB1.25.0755.201-2STPN
A20-95N4	ZB1.20.0744.200-1SPTN	ZB1.20.0744.201-2SPTN	ZB1.25.0855.200-1STPN	ZB1.25.0855.201-2STPN
	ZB1.20.0844.200-1SPTN	ZB1.20.0844.201-2SPTN	ZB1.25.0955.200-1STPN	ZB1.25.0955.201-2STPN
	ZB1.20.0944.200 -1SPTN	ZB1.20.0944.201 -1SPTN	ZB1.25.1055.200-1STPN	ZB1.25.1055.201-2STPN
	ZB1.20.1094.200-1SPTN	ZB1.20.1094.201-2SPTN	ZB1.25.1155.200-1STPN	ZB1.25.1155.201-2STPN
ZB1.25.1204.400-1SPPN	ZB1.25.0663.201-1SPPN	ZB1.16.0260.400-1SPPN	ZB1.25.1255.200-1STPN	ZB1.25.1255.201-2STPN
ZB1.25.1314.400-1SPPN	ZB1.25.0763.200-1SPPN	ZB1.20.0310.200-2SPTN	ZB1.25.1355.200-1STPN	ZB1.25.1355.201-2STPN
ZB1.25.1424.400-1SPPN	ZB1.25.0762.200-1SPPN	ZB1.16.0400.200-1RTTN	ZB1.25.1455.200-1STPN	ZB1.25.1455.201-2STPN
ZB1.25.1534.400-1SPPN	ZB1.25.0763.202-1RPTN	ZB1.20.0465.200-1RPTN	ZB1.50.1800.400-1SPPN
ZB1.25.1644.400-1SPPN	ZB1.25.0860.200-1SPPN	ZB1.25.0488.200-2SPPN	ZB1.50.2000.400-1SPPN
ZB1.25.1754.400-1SPPN	ZB1.25.0862.200-1SPPN	ZB1.20.0568.200-2RPPN	ZB1.50.2240.400-1SPPN
ZB1.25.1904.400-1SPPN	ZB1.25.0862.201-1SPTN	ZB1.20.0605.200-1RTTN	ZB1.50.2490.400-1SPPN
	ZB1.28.1879.200-1SPPN	ZB1.25.0663.200-1SPPN	ZB1.50.2800.400-1SPPN