1. Catalogs
  2. NTN Europe
  3. Needle Roller Bearings
video corpo

Needle Roller Bearings

Needle Roller Bearings
1 / 84 PagesView full catalog

Needle Roller Bearings

Product catalog summary
Introduction
NTN Corporation is a leader in the bearing industry, specializing in needle roller bearings and rollers. With over 50 years of experience, NTN-SNR offers a wide range of high-performance products known for their quality and reliability.
Product Range
The document details various types of needle roller bearings, including needle roller and cage assemblies, drawn cup needle roller bearings, needle roller bearings with solid rings, combined bearings, cam followers, and thrust bearings. These products are recognized for their compactness, high load capacity, and durability.
Applications
NTN needle roller bearings are utilized in sectors such as motorized portable tools, two-wheelers, construction machinery, agriculture, and industrial machinery, providing reliability and robustness in demanding conditions.
Technical Support and Availability
NTN-SNR offers extensive technical support and maintains a large stock in Europe for quick delivery. Their online tools include cross-references, technical data sheets, and order placement.
Selection Guide
The document includes a pre-selection and selection guide to assist in choosing the appropriate bearing type based on load capacity, speed, precision, and ease of mounting.
Conclusion
NTN-SNR's needle roller bearings are essential for applications requiring compactness, reliability, and durability, supported by technical expertise and a commitment to quality.
Selection Guide Overview
The document provides a comprehensive guide on various types of cam followers, needle roller and cage assemblies, and needle roller bearings, categorized by load capacities, speed suitability, precision, and ease of mounting.
Specifications
The document outlines specifications for various bearings, including needle roller bearings, combined bearings, thrust bearings, roller followers, and cam followers, detailing dimensions, materials, and optional features like seals and lubrication.
Needle Roller Bearings
Recommended for use with inner rings when the shaft cannot be heat-treated or ground, available in metric and imperial dimensions.
Combined Bearings
Consist of a radial needle roller bearing and a thrust ball or needle bearing, offering compactness and high load capacities.
Thrust Bearings
Designed to withstand axial loads, available in single or double acting types with various cage materials.
Roller Followers
Suitable for high speeds and heavy loads, available in separable and non-separable types.
Cam Followers
Feature a shaft instead of an inner ring, supplied with a nut, lubrication system, and plugs for easy mounting.
Components
Additional components include needles, stop segments, and seals, made of high carbon and chromium steel for extreme hardness.
Designations
The document provides a detailed coding system for identifying different types of bearings and components based on specifications.
See more

Catalog excerpts

Needle Roller Bearings-1

NEEDLE ROLLER BEARINGS The reference range made in Japan

 Open the catalog to page 1
Needle Roller Bearings-2

NTN-SNR The strength of a group NTN Corporation, one of the world leaders in bearings, specialized particularly in the design, development and production of needle roller bearings and rollers. With NTN-SNR BEARINGS, benefit from this know-how near you with: •A very wide range of needle roller bearings, rollers and components • An undisputed leader in Japan for industrial applications • More than 50 years of experience in design and production of these products • The systematic search for excellence, manifested by a high level of performance and exceptional quality • Extended service life and...

 Open the catalog to page 2
Needle Roller Bearings-3

Reference range made in Japan Sectors of activity and applications Pre-selection guide Selection guide Technical summary

 Open the catalog to page 3
Needle Roller Bearings-4

NTN HAS THE BEARING YOU NEED THE WIDEST OFFER ON THE MARKET • Needle roller and cage assemblies • Drawn cup needle roller bearings • Needle roller bearings with solid rings • Combined bearings • Cam followers and cam followers on shafts • Needle roller thrust bearings • Components A KNOW-HOW MADE IN JAPAN NTN, THE No. 1 FOR NEEDLE ROLLER BEARINGS AND ROLLERS IN JAPAN With 100 % Japanese mastery, from design to production, NTN has products tested by the biggest names in the global industry for over 50 years. RECOGNISED PREMIUM QUALITY OUR STEEL SELECTION MAKES THE DIFFERENCE By opting for superior...

 Open the catalog to page 4
Needle Roller Bearings-5

A PRODUCT AVAILABILITY CLOSER TO YOU EUROPEAN STOCK FOR SHORT DELIVERY TIMES NTN-SNR has a stock of over 2,000 references in European stock to provide excellent availability. In addition, there is a centralised global stock in Japan. Search for the availability of our products in real time via our E-Shop portal. SERVICE AND SUPPORT AT YOUR DOORSTEP TECHNICAL SUPPORT BASED IN EUROPE TO ASSIST YOU Customised studies, recommendations for your specific applications, Experts & Tools training, our NTN-SNR experts are there to support you. Our on-line tools: • CROSS REFERENCES • TECHNICAL DATA SHEETS...

 Open the catalog to page 5
Needle Roller Bearings-6

NEEDLE ROLLER BEARINGS ARE ESSENTIAL ON A DAILY BASIS AND IN NUMEROUS SECTORS OF ACTIVITIES AND APPLICATIONS. Wherever compactness is required, where reliability and durability requirements are strong, NTN has the solution in its needle roller bearings offering. With more than 320 million units produced each year, working together with original equipment manufacturers (OEMs) for more than 50 years, NTN has acquired this know-how which are benefiting thousands of customers today.

 Open the catalog to page 6
Needle Roller Bearings-7

MOTORISED PORTABLE TOOLS The extreme requirements of this application are reflected in the natural qualities of NTN needle roller bearings: compactness, high load capacity, resistance to overheating (motor) and poor lubrication. NTN is the preferred supplier of the world’s leading professional chainsaws. o In the development of engines, the design of crankshaft bearings and needle roller bearings located at the ends of the rods represents a difficulty: high temperatures, poor lubrication conditions and high loads, in particular due to the very high centrifugal forces. Two-stroke chainsaw engines...

 Open the catalog to page 7
Needle Roller Bearings-8

Recognised by leading manufacturers of two-wheelers, NTN needle roller bearings guarantee perfect safety and exceptional durability. Along all the kilometres, from the motorcycle to the competition sports bike, NTN brings complete peace of mind. o Needle roller and cage assemblies are subject to strong acceleration and a high starting torque during each use. CRANKSHAFT o Needle roller and cage assemblies for connecting rod assemblies withstand high loads due to the particularly severe centrifugal forces. TRANSMISSION o he large speed variations & the impacts in the transmission during gear changes...

 Open the catalog to page 8
Needle Roller Bearings-9

CONSTRUCTION MACHINERY Construction machinery uses a large number of needle roller bearings, all available in the NTN range. Reliability and robustness are the key points sought by users, which is why NTN has been supplying the world’s leading manufacturers for decades. VARIABLE DISPLACEMENT PUMP o This cradle-shaped bearing operates in oscillating motion. It is used to enable the angular movement of the swash plate of the hydraulic pump, which directly depends on the instantaneous flow rate of the pump. In addition to its compactness, the functional accuracy of the bearing ensures excellent...

 Open the catalog to page 9
Needle Roller Bearings-10

Towed machines are subjected to rough treatment: impacts, dust, humidity, mud, etc. The seasons follow one another with their share of challenges and it is no coincidence that the extreme robustness of NTN needle roller bearings has impressed the most demanding manufacturers. VERTICAL SPINDLE SHAPER o The complex movement of the arms of the swather is created by the rollers rolling in a cam. In the open version, the bearing and the cam are subject to ingress of pollution. In a sealed housing, the roller will not require any maintenance. It will then withstand the seasons without any maintenance....

 Open the catalog to page 10
Needle Roller Bearings-11

BOARDING BcgHb L -LJL1 1 1 TTTl In an increasingly demanding industrial world, the operation of machinery and equipment in industrial production and logistics s no longer tolerates shut-downs. Often invisible, NTN needle rollers'^ bearings are nevertheless ubiquitous in factories, as in our daily lives.! By their reliability and durability, they operate unnoticed, guaranteeing1 the operators the proper functioning of their equipment. O The cam follower on a full complement shaft is used to smoothly guide the telescopic part of the tunnel into the first section. The roller then rolls on a rail,...

 Open the catalog to page 11
Needle Roller Bearings-12

NTN needle roller bearings are all characterised by their excellent capacity/overall dimensions ratio. To get the most out of their performance, it is important to choose the type of needle roller bearings according to three characteristics of the housing and the shaft: circularity and rigidity, surface condition and hardness.

 Open the catalog to page 12
Needle Roller Bearings-13

Needle roller and cage assemblies Drawn cup needle roller bearings Needle roller bearings with solid rings DIFFICULT MOUNTING FAIRLY EASY MOUNTING EASY MOUNTING GOOD PRECISION MEDIUM PRECISION EXCELLENT PRECISION NOT SUITABLE FOR SPEED RANGES SUITABLE FOR SPEED RANGES VERY SUITABLE FOR HIGH SPEED GOOD CAPACITY

 Open the catalog to page 13

Archived catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.