The designations of most SKF rolling bearings follow a system that may consist of a basic designation with or without one or more prefixes andor suffixes Basic bearing designation system. Vertically integrated system RKB offers reliable cost-effective solutions with extreme operational flexibility leading-.
Skf Basic Bearing Designation System Basic Skf System
A bearing number is composed as follows.
. NSK also uses supplementary. JRK inner ring with rolling element and cage assembly if the prefix R cannot be used as. The objective of this publication is to introduce and explain the designation systems used to identify NSK and RHP Bearings.
Heat stabilized up to 480 F 250 C 2. SYSTÉM ZNAČENÍ LOŽISEK 3 Partnerství založené na důvěře Důvěra založená na kvalitě Komplexní řízení kvality ve společnosti NSK. MERE WAY RUDDINGTON NOTTINGHAM NG11 6JZ UK.
The basic designation system is shown in table 1. Bearing Nomenclature And Numbering Systems An example and the applicable options for spherical roller bearings are given below. Bearing designation iso system Each antifriction standar d bearing has a sp ecific designation which indicates the type of bearings sizes of different elements of the bearing and other constr.
BEARING DESIGNATION SYSTEMS 15 14 Use of codes on bearings and packaging The full bearing code including all prefixes and suffixes always appears on the packaging. The JIS has specified bearing numbers for some of the more commonly used bearings. A bearings rolling internal mechanism greatly reduces the effort and energy it takes to slide or move an object over the surface.
Each bearing company can create its own prefixes. Cylindrical Roller BearingsNUNJNUPNNU HJNJ HJ. The bearing rings themselves usually only feature the basic designation and some supplementary designations such as radial clearance and accuracy.
Many machine elements have contacting surfaces that. An example and the applicable options for spherical roller bearings are given below. A basic designation typically contains three to five digits.
But theres a system for all the madness. Bearings with a bore diameter of 10 12 15 or 17 mm have the following size code identifications. 58 Depth of maximum shear stress m Radius ratio RR Contact angle deg Iterated value of contact angle deg Free or initial contact angle deg.
Technical section Bearing specification tables 1. The number and letter combinations have the following meaning. Coordinate system Constant defined by eq.
Further information on this topic can be found in our brochure Bearing Designation Systems. How the Designation System WorksBearing typesRadial bearings width B TThrust bearing height HOutside diameter DBearing size d530 mm bore diameter Bearing Type Designations. Rolling bearings of different manufacturers that have the same standardized code in accordance with current international standards are interchangeable.
Bearings the inclination of bearing surface to runner is typically one part in a thousand. This is why the. The width series symbol and diameter series symbol are combined and called the dimensional series symbol.
The first digit or letter or combination of letters identifies the bearing type and eventually a basic variant. Bearing designation purpose is to identify a bearing and consists of one or more groups of figures andor letters. Auxiliary symbols Symbol for design of rings Arrangement symbol Internal clearance symbol and preload symbol.
Within both the metric and inch systems different part number systems have been developed. 3 Prefix k cage suffix with roller elements the removable r ring bearing ring with roller group s stainless steel roller body w deep groove ball bearing in stainless steel note. Basic FAG bearing number.
Metric bearings with the designation prefix J follow the ABMA designation system which is used for inch bearings ANSIABMA Std. Structures and types 2. Standard Inch Size BearingsLLLLBearing typeBearing seriesBore 18s of inch.
Designations established prior to 1977 are based on the system shown under Basic designations eg. Heat stabilized up to 390 F 200 C TS4. Inch system bearings are normally assigned individual part numbers for the inner race and outer races whereas ISO bearings are assigned a unique part number for the bearing assembly inner race and outer.
Product table numbers are listed at the front of the product catalog at the beginning of each product chapter and in the product index at the back of the catalog. The following two digits identify the ISO dimension series. 4 or 5 digits by a system which is mainly based on the SKF bearing numbers.
According to metric or inch systems. EMERSON BEARING ASSUMES NO LIABILITY FOR ERRORS. The most important exceptions in the basic bearing designation system are.
Heat stabilized up to 320 F 160 C TS3. The basic designations of SKF tapered roller bearings start with the letter T eg. Each product chapter is marked by cut tabs with an easily identifiable icon.
Heat stabilized up to 250 F 120 C TS2. 32206 table 1. Bearing designation chart pdf home 1 prefix.
NSK AND RHP BEARINGS DESIGNATION SYSTEMS NSK-RHP UK Ltd. The bearing designations of standard bearings are defined by JIS B 1513 and DIN 623. The contents cover basic designations for ball and roller.
The designations of most SKF rolling bearings follow a system that may consist of a basic designation with or without one or more prefixes andor suffixes Basic bearing designation system. Bearing designation system pdf Written By vukelj Friday April 1 2022 Add Comment A bearing number is composed as follows. The bearing rings themselves usually only feature the basic designation and some supplementary designations such as radial clearance and accuracy.
To Common Bearing Types FOR REFERENCE USE ONLY. 0115 936 6702. BEARING DESIGNATION SYSTEMS 15 14 Use of codes on bearings and packaging The full bearing code including all prefi xes and suffi xes always appears on the packaging.
Handling of bearings Deep groove ball bearings d 3 200 mm Angular contact ball bearings d 10 200 mm Self-aligning ball bearingsd 10 100 mm Cylindrical roller bearings d 20 200 mm Tapered roller bearings d 15 200 mm Spherical roller bearings d 25. A quick way to access detailed product data is via a product table number or SKF bearing size chart. In a few cases the digit for the bearing type or the first digit of the dimension series identification is omitted.
Cylindrical Roller Bearing Numbering System NU 2 Prefix Type Series 1. Bearings perform the same function and have the same objective to keep the shaft moving smoothly and consistently while reducing friction. 0115 936 6600 FACSIMILE.
Separable bearings Designation Description 6 Main prefixes and suffixes. Examples and the applicable options for single row cylindrical roller bearings are given below.
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