SKF ConCentra Manual
  1. Manuals
  2. Brands
  3. SKF Manuals
  4. Industrial Equipment
  5. ConCentra
  6. Manual

SKF ConCentra Manual

Ball bearings and units
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SKF ConCentra
ball bearings and units
True concentric locking, for fast and reliable
mounting

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ConCentra and is the answer not in the manual?

Questions and answers

Related Manuals for SKF ConCentra

Summary of Contents for SKF ConCentra

  • Page 1 SKF ConCentra ball bearings and units True concentric locking, for fast and reliable mounting...

  • Page 2: Table Of Contents

    The SKF ConCentra stepped sleeve . . . . . . . . . . . . . . . . . .
  • Page 3 SKF ConCentra ball bearing – ready-to-mount offer SKF ConCentra ball bearings and units are • High performance • Flexibility part of SKF’s extensive line of ready-to- – full concentric locking and inner ring – available as ready-to-mount units or as install mounted products .
  • Page 4 • the reliable, proven design of SKF cast iron housings • a SKF Y-bearing in the YSP 2 SB series • the patented SKF ConCentra stepped sleeve The stepped sleeve is characterized by its highly efficient, low cross section design .
  • Page 5 The SKF ConCentra Fig. 4 ball bearing stepped sleeve The bearings used in SKF ConCentra ball The ConCentra stepped sleeve, a master- bearing units are based on SKF Y-bearings piece of locking technology, is the real in YSP 2 SB series . These bearings have a innovation behind the SKF ConCentra convex sphered outside surface .

  • Page 6: Applications

    Applications Refined technology SKF ConCentra ball bearing units are part of SKF’s commitment to the “Total Shaft Solutions” programme to provide a wide range of innovative bearing products to the air hand ling, conveyor equipment, fluid machinery, agricultural and forestry industries .
  • Page 7 SKF ConCentra – special executions Variants of SKF ConCentra ball bearing units are available for specific applications . These variants incorporate innovative sealing sys- tems and other features designed for spe- cific operating conditions: • YSPAG (agricultural applications) • E2 .YSP SB-2F (low friction variant for...

  • Page 8: Selection Of A Bearing Unit Size

    Selection of a bearing unit size The size of an SKF ConCentra ball bearing where unit is initially selected on the basis of the = SKF rating life (at 100 – n% loads within the application, the bearing reliability) , millions of revolutions load carrying ability, its calculated life and = SKF rating life (at 100 –...
  • Page 9 . Diagram 1 has been drawn up for a safety factor commonly used in fatigue life considerations . Values for a can also be obtained by using the calculation 0,62 programs provided on line at www .skf .com/ 0,53 bearings . 0,44 0,33 0,21 Contamination –...
  • Page 10 Equivalent loads Table 2 Table 3 The loads acting on SKF ConCentra ball Calculation factors Calculation factor f bearings can be calculated according to the Relative thrust SKF ConCentra Bearing size Factor f laws of mechanics . If the load F fulfils the...

  • Page 11: Design Of Bearing Unit Arrangements

    Shaft tolerances Attaching to the support surface SKF ConCentra ball bearings can accommo- SKF ConCentra ball bearing units can be date only limited axial displacement as a used with solid or hollow commercial grade To attach SKF ConCentra ball bearing units result of thermal shaft elongation .
  • Page 12 Fig. 2 Table 2 Position and size of dowel pin holes for SKF ConCentra plummer block units Housing size Dimension for SKF ConCentra plummer block housings – loads acting on a plummer block housing are between 55° and 120° († fig. 2),...
  • Page 13 . For some applications rubber seating rings can be fitted to the SKF ConCentra ball bearing outer rings, to convert SKF ConCen- tra ball bearings to support rollers, and serve as tyres, to run quietly and protect the...
  • Page 14 Table 4 The seating rings in the RIS 2 series are made from acrylonitrile-butadiene rubber Rubber seating rings (NBR) and have a convex sphered outside diameter . The rings can operate at temperatures from –30 to +100 °C . The designation and the dimensions of rubber seating rings are listed in table 4 .

  • Page 15: Lubrication And Maintenance Mounting And Dismounting

    For Example: size 07 includes all bearings based on a Y 207 bearing, such as YSP 207-104 BS-2F, YSP 207-106 BS-2F, YSP 207 BS-2F, The temperature range for reliable operation in accordance with SKF traffic light concept is between 10 and 120 °C YSP 207-107 BS-2F...
  • Page 16 . moisture and contaminants . Diagram 1 Service life of the grease fill in SKF ConCentra ball bearing units as a function of • the operating temperature, °C •...

  • Page 17: Mounting Instructions For Skf Concentra Ball Bearings

    Read the instructions completely prior to starting work Remove any burrs on the shaft with em- NoTE: SKF ConCentra ball bearings and units ery cloth or a fine file, wipe clean with a are unit assemblies . No attempt should be...

  • Page 18: Dismounting Instructions

    Table 2 Align the shaft in the bearing arrange- Secure the second bearing unit to the ment axially and, if possible, turn it a few shaft following steps 7 and 8 . Make Recommended tightening torque values times . sure the shaft turns smoothly and the Bearing size Screw Recommended...

  • Page 19: Inserting Or Installing An Skf Concentra Bearing

    Fig. 7 Fig. 8 an SKF ConCentra bearing The SKF ConCentra ball bearings can be inserted into any SKF Y-housing . To do this insert the bearing into the filling slot in the housing bore († fig. 7) and, with a round piece of wood or pipe,...

  • Page 20: Product Data - General

    SKF ConCentra ball bearings The boundary dimensions of SKF ConCentra ball bearings are not standardized . However, The outside diameter of SKF ConCentra ball the outside diameter and the outer ring bearings are produced to tolerances indicated width conform to ISO 9628:2006 so that in table 1 .
  • Page 21 (NBR) vulcanized to clearance values are provided in table 2 and its inner surface . The non-contact sheet SKF ConCentra ball bearing units are able to are valid for un mounted bearings units steel washer forms a narrow gap with the withstand the same dynamic and static under zero mea suring load .

  • Page 22: Designations

    Designations Table 3 Designation system for SKF ConCentra ball bearings Examples YSP 205 SB-2F The complete designation for the SKF Con- 07-104 -2F /AH YSP 207-104 SB-2F/AH Centra ball bearings and SKF ConCentra ball Bearing series bearing units consists of: SKF ConCentra ball bearings •...
  • Page 23 Table 4 Designation system for SKF ConCentra ball bearing units Examples SY 25 LF 1.15/16 FY 1.15/16 LF/AH FYTB FYTB 60 LF FYT 1. LF/AH Identification of housing shape Plummer block cast iron housing Square flange (4-bolt) cast iron housing...

  • Page 24: Product Tables

    SKF ConCentra ball bearing, metric shafts d 25 – 60 mm Dimensions Basic load ratings Fatigue Limiting Mass Designation dynamic static load speed limit r/min – 33,74 40,6 21,0 0,335 7 000 0,190 YSP 205 SB-2F 39,70 23,0 19,5 11,2...
  • Page 25 SKF ConCentra ball bearing, inch shafts d 1 – 2 in . Dimensions Basic load ratings Fatigue Limiting Mass Designation dynamic static load speed limit in ./mm lbf/kN r/min lbf/kg – 2,05 1,30 0,59 1,33 1,60 0,83 3 150 1 760...
  • Page 26 SKF ConCentra ball bearing units with plummer block housing, for metric shafts d 25 – 60 mm Shaft Bearing unit Mass Designation diameter Dimensions Bearing unit – 33,0 70,5 36,5 16,0 102,0 19,5 11,5 21,0 0,74 SY 25 LF 37,0...
  • Page 27 Designations Basic load ratings Fatigue load Limiting Appropriate end cover Bearing unit Separate components dynamic static limit speed Designation Dimension Housing Bearing cover – r/min SY 25 LF SY 505 M YSP 205-SB-2F 14,0 0,335 7 000 ECY 205 18,0 SY 30 LF SY 506 M YSP 206-SB-2F...
  • Page 28 SKF ConCentra ball bearing units with plummer block housing, for inch shafts d 1 – 2 in . Shaft Bearing unit Mass Designation diameter Dimensions Bearing unit in ./mm in ./mm lbf/kg – 1,42 0,87 1,30 2,76 1,44 0,63 4,02...
  • Page 29 Designations Basic load ratings Fatigue load Limiting speed Bearing unit Separate components dynamic static limit unit Housing Bearing – lbf/kN r/min SY 1. LF/AH SY 505 U/AH YSP 205-100-SB-2F 3 150 1 760 7 000 0,335 SY 1.3/16 LF/AH SY 506 U/AH YSP 206-103-SB-2F 4 390 2 520...
  • Page 30 SKF ConCentra ball bearing units with plummer block housing, for metric shafts d 25 – 60 mm Shaft Bearing unit Designation diameter Dimensions Mass Bearing unit – FY 25 LF 30,0 33,0 74,6 70,0 21,0 40,0 0,79 32,5 37,0 93,7...
  • Page 31 Designations Basic load ratings Fatigue load Limiting Appropriate end cover Bearing unit Separate components dynamic static limit speed Designation Dimension Housing Bearing cover – r/min FY 25 LF FY 505 M YSP 205-SB-2F 14,0 0,335 7 000 ECY 205 18,0 FY 30 LF FY 506 M YSP 206-SB-2F...
  • Page 32 SKF ConCentra ball bearing units with plummer block housing, for inch shafts d 1 – 2 in . Shaft Bearing unit Designation diameter Dimensions Mass Bearing unit in ./mm in ./mm lbf/kg – FY 1. LF/AH 1,18 0,47 1,30 2,76...
  • Page 33 Designations Basic load ratings Fatigue load Limiting speed Bearing unit Separate components dynamic static limit unit Housing Bearing – lbf/kN r/min FY 1. LF/AH FY 505 U/AH YSP 205-100-SB-2F 3 150 1 760 7 000 0,335 FY 1.3/16 LF/AH FY 506 U/AH YSP 206-103-SB-2F 4 390 2 520...
  • Page 34 SKF ConCentra ball bearing units with plummer block housing, for metric shafts SKF ConCentra ball bearing units with plummer block housing, for metric shafts d 25 – 60 mm d 25 – 50 mm Shaft Bearing unit Mass Designation diameter...
  • Page 35 Designations Basic load ratings Fatigue load Limiting Appropriate end cover Bearing unit Separate components dynamic static limit speed Designation Dimension Housing Bearing cover – r/min FYTB 25 LF FYTB 505 M YSP 205-SB-2F 14,0 0,335 7 000 ECY 205 18,0 FYTB 30 LF FYTB 506 M YSP 206-SB-2F...
  • Page 36 SKF ConCentra ball bearing units with plummer block housing, for inch shafts d 1 – 2 in . Shaft Bearing unit Designation diameter Dimensions Mass Bearing unit in ./mm in ./mm lbf/kg – FYT 1. LF/AH 1,18 0,47 1,30 4,88...
  • Page 37 Designations Basic load ratings Fatigue load Limiting speed Bearing unit Separate components dynamic static limit unit Housing Bearing – lbf/kN r/min FYT 1. LF/AH FYT 505 U/AH YSP 205-100-SB-2F 3 150 1 760 7 000 14,0 0,335 FYT 1.3/16 LF/AH FYT 506 U/AH YSP 206-103-SB-2F 4 390...

  • Page 38: Skf - The Knowledge Engineering Company

    As an example, sign and logistics support to con ditioning distri bution system put SKF close to custo m- virtually all aircraft of the Airbus design use SKF monitoring and reliability systems.
  • Page 39 In addition to SKF’s renowned research and development facilities in Europe and the United States, Formula One car racing provides a unique environment for SKF to push the limits of bearing technology. For over 50 years, SKF prod- ucts, engineering and knowledge have helped make Scuderia Ferrari a formid- able force in F1 racing.
  • Page 40 SKF brings innovative solutions to OEMs and production facilities in every major industry world- wide. These five competence areas include bearings and units, seals, lubrication systems, mechatronics (combining mechanics and electronics into intelligent systems), and a wide range of services, from 3-D...

Table of Contents