Basic Info.

Model NO. 020.50.2000 Rolling Body Roller Bearings The Number of Rows Single Outer Dimension 200-6000mm Transport Package Plastic Film+ Kraft +Belt+ Wooden Box Specification 200~9000 Trademark LYHY Origin China HS Code 848210900 Production Capacity 20000PCS/Year

Product Description

Double row four point contact ball slewing ring bearings
Description:
1. Structure:
Rings: one piece inner ring and two pieces outer ring, with three linear raceways in outer and inner rings
Balls: double-row balls, contacting arc raceway on four points, separated by polyamide spacers
Cage/retainer /Spacers: made of polyamide, Aluminum, steel, or brass
Seal: integral seals
2. Hardness:
Raceway: 50~55 HRC; 55~60 HRC; 60~65 HRC
Teeth: 50~55 HRC; 55~60 HRC; 60~65 HRC
Balls: 50~55 HRC; 55~60 HRC; 60~65 HRC
3. Load support:
The load angles of both upper and lower races are 90 degree.
Better dynamic load capacity than single row four point contact ball slewing bearings
Can bear large axial force and, radial, and tilting moments
4. Material: 50Mn, 42CrMo
5. Precision: P0. P6. P5.
6. Working conditions: on tower crane, truck crane and other handling machinery, especially suitable for the ones required of medium-sized diameter or larger
 
Types:
Our double row four point contact ball slewing ring bearings include:
1. Double row four point contact ball slewing ring bearings (non-geared)
2. Double row four point contact ball slewing ring bearings (internal gear)
3. Double row four point contact ball slewing ring bearings (external gear)
4. Double row four point contact ball slewing ring bearings (internal gear, gear hardened)
5. Double row four point contact ball slewing ring bearings (external gear, gear hardened)
6. Same diameter double row four point contact ball slewing ring bearings
7. Different double row four point contact ball slewing ring bearings

Application:
Double row four point contact ball slewing ring bearings are applied in the Joint parts and rotating parts of robots, revolving table of machinery process center, machinery hand revolving part, medical equipments, crane/ lifting transportation machinery, construction machinery and military products
 
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. High quality and competitive price
2. Trial order accepted
3. ISO certified company
4. OEM and ODM accepted
5. Manufacturing slewing ring bearings since 2000

Some Models:
Our double row four point contact ball slewing ring bearings include: 
Double row four point contact ball slewing ring bearings (non-geared):
020.25.500, 020.25.560, 020.25.630, 020.25.710, 020.30.800, 020.30.900, 020.30.1000, 020.30.1120, 020.40.1250, 020.40.1400, 020.40.1600, 020.40.1800, 020.50.2000, 020.50.2240, 020.50.2500, 020.50.2800, 020.60.3150, 020.60.3550, 020.60.4000, 020.60.4500
Double row four point contact ball slewing ring bearings (internal gear):
023.25.500, 024.25.500, 023.25.560, 024.25.560, 023.25.630, 024.25.630, 021.25.710, 024.25.710, 023.30.800, 024.30.800, 023.30.900, 024.30.900, 023.30.1000, 024.30.1000, 023.30.1120, 024.30.1120, 023.40.1250, 024.40.1250, 023.40.1400, 024.40.1400, 023.40.1600, 024.40.1600, 023.40.1800, 024.40.1800, 023.50.2000, 024.50.2000, 023.50.2240, 024.50.2240, 023.50.2500, 024.50.2500, 023.50.2800, 024.50.2800, 023.60.3150, 024.60.3150, 023.60.3550, 024.60.3550, 023.60.4000, 024.60.4000, 023.60.4500, 024.60.4500
Double row four point contact ball slewing ring bearings (external gear):
021.25.500, 022.25.500, 021.25.560, 022.25.560, 021.25.630, 022.25.630, 021.25.710, 022.25.710, 021.30.800, 022.30.800, 021.30.900, 022.30.900, 021.30.1000, 022.30.1000, 021.30.1120, 022.30.1120, 021.40.1250, 022.40.1250, 021.40.1400, 022.40.1400, 021.40.1600, 022.40.1600, 021.40.1800, 022.40.1800, 021.50.2000, 022.50.2000, 021.50.2240, 022.50.2240, 021.50.2500, 022.50.2500, 021.50.2800, 022.50.2800, 021.60.3150, 022.60.3150, 021.60.3550, 022.60.3550, 021.60.4000, 022.60.4000, 021.60.4500, 022.60.4500