Home > Products > Slewing bearing &cross roller bearing > External Gear Type Slewing Bearing 012.30.560.12
External Gear Type Slewing Bearing 012.30.560.12
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Product Details
| Brand Name | NTL | Bore Size | 458, | |
| Outside Diameter | 662, | Model Number | External Gear Type 012.30.560.12 | |
| Feature | Four Point Contact | Gear Options | External Gear Only | |
| Seals Type | NRB |
Product Description
NTL bearing Co. supply various of Four Point Contact Ball slewing Bearing,below are some details.
Materials of rings and rolling parts
Generally, NTL use carbon-chromium bearing steel GCr15SiMn or GCr15 for rolling parts and surface-haredned steel 50Mn, 42CrMo, 5CrMnMo for the rings.
Material of cages
The cages for NTL slewing bearings include integral cage, segment cage and spacer-type cage. We use 20# steel or ZL102 birmasil for integral and segment cages, PA 1010 resin or ZL102 birmasil or QA110-3-105 albronze for spacer-type cages. In recent years with continuous development of material industry , nylon GRPA55.25 started to be applied for segment cages.
Material of seals
Generally, NTL use NBR or VITON for seals. But there still very few slewing bearings NTL manufactured in early period sealing with felted wool.
Standard JB/T2300-1999
Size Chart
Drawing Number Composition
| Material: 42-42CrMo 40-40Cr 50-50Mn | |
| Installing Hole Type: 0- Through holes on the inner and outer rings 1- Thread holes on the inner and outer rings 2- Thread holes on the inner ring, through holes on the outer ring 3- Thread holes on the outer ring, through holes on the inner | |
| No meaning digit, only avoid code confusion. | |
| Installing Match Type: 0-Standard type without Break 1-Standard type with Break 2-Special type | |
| Raceway Diameter | |
| Diameter of the rolling element | |
| Gear: 0-Toothless 1-External spur gear,smaller modle 2-External spur gear,bigger modle 3-Internal spur gear,smaller modle | |
| Design Type: 01-Single Row Four Point Contact Ball Slewing Bearing 02-Double Row Different Balls Slewing Bearing 11-Single Row Cross Roller Slewing Bearing 13- Three Row Roller Slewing Bearing |
If you are interested in our products, please contact us any time freely.
Blues Gong
Mob.:0086 -13677350437
mail: skye at
Skype:blues.yt
WhatsAPP:13677350437
QQ:1685596431
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Company Profile
Changsha Terry Machinery Co., Ltd. is located in Changsha. Our company enjoys convenient transportation and advanced economy. We have been exporting bearings for 8 years. Our main products are Needle Roller bearings, Cylindrical Roller Bearings, Rod end Bearings, Spherical plain bearings, Track roller Bearings for Guideway, Roller Bearings, Combine Bearings for forklifts, Water Pump Bearings, SNR Auto Bearings and all kinds of Spherical Bearings. We have exported our products to Korea, Iran, Turkey, Bulgaria, Romania, Russia, Italy, Norway, the USA, Canada, etc. We offer OEM service. Our products are applied in many fields. Our Advantages Products Big volume in Stock, No MOQ required We comply with all the international standards, such as ISO9001 and TS16949 standards. Personnel Our sales persons are well trained to accommodate your requests and speak English for your convenience. Our technicians and engineers have 23 years of Experience in the Bearing Industry. Service & Quality control We supply detailed drawings and offer whenever necessary. We inspect every piece of bearing by ourselves before delivery.
Contact Us
- Changsha Terry Machinery Co., Ltd.
- Contact nameMery Zhou Chat Now
- Phone86-731-85782665
- Address2512, Yunding Building A, No.526 Mid Shaoshan Rd, Changsha .China, Changsha, Hunan
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