- English
- Chinese
- French
- German
- Portuguese
- Spanish
- Russian
- Japanese
- Korean
- Arabic
- Irish
- Greek
- Turkish
- Italian
- Danish
- Romanian
- Indonesian
- Czech
- Afrikaans
- Swedish
- Polish
- Basque
- Catalan
- Esperanto
- Hindi
- Lao
- Albanian
- Amharic
- Armenian
- Azerbaijani
- Belarusian
- Bengali
- Bosnian
- Bulgarian
- Cebuano
- Chichewa
- Corsican
- Croatian
- Dutch
- Estonian
- Filipino
- Finnish
- Frisian
- Galician
- Georgian
- Gujarati
- Haitian
- Hausa
- Hawaiian
- Hebrew
- Hmong
- Hungarian
- Icelandic
- Javanese
- Kannada
- Kazakh
- Khmer
- Kurdish
- Kyrgyz
- Latin
- Latvian
- Lithuanian
- Luxembou..
- Macedonian
- Malagasy
- Malay
- Malayalam
- Maltese
- Maori
- Marathi
- Mongolian
- Burmese
- Nepali
- Norwegian
- Pashto
- Persian
- Punjabi
- Serbian
- Sesotho
- Sinhala
- Slovak
- Slovenian
- Somali
- Samoan
- Scots Gaelic
- Shona
- Sindhi
- Sundanese
- Swahili
- Tajik
- Tamil
- Telugu
- Thai
- Ukrainian
- Urdu
- Uzbek
- Vietnamese
- Welsh
- Xhosa
- Yiddish
- Yoruba
- Zulu
- Kinyarwanda
- Tatar
- Oriya
- Turkmen
- Uyghur
Category
NJ1012
Cylindrical roller bearings are rolling bearings specifically engineered to accommodate high radial loads. Their key rolling elements are cylindrical rollers that make linear contact with the raceways. This design makes them exceptionally effective at handling pure radial forces, serving as critical components in a vast array of industrial applications. Compared to ball bearings of the same size, they offer significantly higher radial load-carrying capacity.
Cylindrical Roller Bearing
| ISO | NJ1012 | |
| ГОСТ | 42112 | |
| Bore diameter | d | 60 mm |
| Outside diameter | D | 95 mm |
| Width | B | 18 mm |
| Basic dynamic load rating | C | 25.3 kN |
| Basic static load rating | C0 | 30 kN |
| Reference speed | 5000 r/min | |
| Limiting speed | 4200 r/min | |
| Weight | 0.49 kg | |
Structure of Cylindrical Roller Bearings
- A typical cylindrical roller bearing consists of the following main components:
- Outer Ring:Usually features fixed ribs or flanges on one or both sides to provide axial guidance for the rollers.
- Inner Ring:Also typically has ribs or flanges for roller guidance. Depending on the design, the inner ring can be integral with ribs or separable (facilitating mounting).
- Cylindrical Rollers:Precision-ground cylindrical rolling elements that are the core load-carrying components. Roller length is usually slightly less than their diameter.
- Cage (Retainer):Separates the rollers evenly, prevents them from rubbing against each other, and guides them correctly within the raceways. Cage materials include steel, brass, or polymers (e.g., polyamide/nylon).
Characteristics of Cylindrical Roller Bearings
- High Radial Load Capacity:The line contact design enables them to handle significantly higher radial loads than same-sized ball bearings.
- High Radial Rigidity:Excellent stiffness in the radial direction, resulting in minimal deformation under load.
- Low Friction:Low rolling resistance contributes to high efficiency.
- High-Speed Capability:Well-designed bearings (especially with lightweight cages) are suitable for high rotational speeds.
- Separability:Many types (e.g., NU, NJ designs) feature separable rings (inner and/or outer), simplifying mounting, dismounting, and maintenance.
- Limited Axial Load Capacity:Generally can only accommodate very small axial loads (depending on rib design), or require combination with other bearings to handle axial forces.
Applications of Cylindrical Roller Bearings
Cylindrical roller bearings are widely used in applications demanding high radial load capacity and rigidity:
- Electric Motors and Generators:Rotor support.
- Gearboxes and Reducers:Gear shaft support.
- Rolling Mills:Work roll and backup roll chocks.
- Pumps and Compressors:Shaft support.
- Vibrating Screens:Handling vibratory loads.
- Construction Machinery:Slewing rings in excavators, cranes.
- Wind Turbines:Main shaft bearings.
- Machine Tool Spindles:Where high rigidity and precision are critical.
- Printing Machinery:Cylinder support.
Premium-quality cylindrical roller bearings ensure mission-critical reliability where maximum radial load capacity is non-negotiable.
Contact Us
Related Products
6860
A Deep Groove Ball Bearing is one of the most widely used types of rolling bearings. It consists of an inner ring, outer ring, steel balls, and a cage (or sealing components). The deep groove raceways on the inner and outer rings allow it to withstand radial loads and limited…
22238 KMBW33
A spherical roller bearing is a highly engineered rolling-element bearing designed to excel in demanding operating conditions. Its defining feature is its self-aligning capability. It automatically compensates for misalignment between the shaft and housing, caused by mounting errors, shaft deflection, or foundation settling (typically up to 1.5° – 3°). This…
K20X26X13
Needle roller bearings utilize cylindrical rollers with a length-to-diameter ratio exceeding 4:1. This “needle-like” geometry enables exceptional radial load capacity within extremely compact cross-sections, providing superior space efficiency compared to ball bearings of equivalent dimensions.
NA6917
Needle roller bearings utilize cylindrical rollers with a length-to-diameter ratio exceeding 4:1. This “needle-like” geometry enables exceptional radial load capacity within extremely compact cross-sections, providing superior space efficiency compared to ball bearings of equivalent dimensions.
NU1036
Cylindrical roller bearings are rolling bearings specifically engineered to accommodate high radial loads. Their key rolling elements are cylindrical rollers that make linear contact with the raceways. This design makes them exceptionally effective at handling pure radial forces, serving as critical components in a vast array of industrial applications. Compared…
NA4913
Needle roller bearings utilize cylindrical rollers with a length-to-diameter ratio exceeding 4:1. This “needle-like” geometry enables exceptional radial load capacity within extremely compact cross-sections, providing superior space efficiency compared to ball bearings of equivalent dimensions.
-
-
-
grashbearings@outlook.com
-
+86-13863568175