SKF Maintenance and Lubrication Products

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Dismounting Mechanical dismounting Choosing the right puller for the job is critical. The puller type, and its maximum withdrawal capacity are crucial for completing any dismounting job safely and easily. Puller overload can result in breakage of the puller’s arms and/or beam and therefore should be avoided. This breakage can damage the bearing or shaft and can cause personal injury. In general, it is recommended to use a three-arm puller rather than a two-arm puller as the three-arm puller is more stable. Whenever possible, apply the withdrawal force to the ring with the interference fit. SKF offers a complete range of easy-to-use mechanical, hydraulic and hydraulicallyassisted bearing pullers for use in many bearing applications. Dismounting using heat The inner rings of cylindrical roller bearings generally have a tight interference fit, which requires high forces to dismount. In such cases, using a puller can cause damage to the shaft and ring, which can be hazardous to the operator. Using heating equipment facilitates easy and quick dismounting while reducing the risk of damage to the ring and shaft. SKF offers a range of heating equipment, which includes aluminium heating rings as well as adjustable and fixed induction heaters, for dismounting cylindrical roller bearing inner rings. When dismounting bearings, care must be taken not to damage other machine components, such as the shaft or housing, as damage can compromise the machine’s efficiency and lifetime. Bearings are sometimes dismounted to maintain or replace other components of the machine. These bearings are often re-used. Selecting the correct dismounting methods and tools is then essential in reducing the risk of personal injuries and reducing the risk of damaging the bearing, thus allowing it to be used again. Individual applications may require mechanical, heat or hydraulic dismounting methods and tools to allow safe, correct and efficient bearing dismounting. Dismounting bearings using hydraulic techniques The SKF hydraulic techniques are often the preferred method for dismounting larger bearings as well as other components. These techniques, which employ hydraulic pumps, nuts and oil injectors, allow the application of substantial forces to dismount bearings or other components. Online mounting and dismounting instructions At skf.com/mount, SKF offers a unique web-based, free of charge information service for the mounting and dismounting of SKF bearings and bearing housings in 13 languages. This service provides step-by-step instructions for mounting and dismounting. The system also provides information on proper tools and lubricants. With this free internet service, SKF’s expertise is at your fingertips around the clock worldwide. Mechanical tools – Introduction 9
Mechanical mounting Helps prevent premature bearing failures SKF Bearing Fitting Tool Kit TMFT 36 Poor fitting, usually using brute force, accounts for 16% of premature bearing failures. The SKF Bearing Fitting Tool Kit TMFT 36 is designed for quick and precise mounting of bearings, while minimising the risk of bearing damage. The right combination of impact ring and sleeve allows effective transmission of mounting force to the bearing ring with the interference fit, minimising the risk of damaging the bearing’s raceways or rolling elements. The kit contains 36 impact rings, 3 impact sleeves and a dead-blow hammer packed in a lightweight carrying case. In addition to mounting bearings, the SKF TMFT 36 is also suitable for mounting other components such as bushings, seals and pulleys. • 36 impact rings in different sizes facilitate the mounting of more than 400 different bearings • Facilitates correct mounting on shaft, housing and blind applications • The diameter of the impact ring precisely fits the inner and outer diameter of the bearing • Small diameter of the impact area on top of the sleeve allows effective transmission and distribution of mounting force • Impact rings and sleeves are made of highimpact resistant material for longevity • Click connection between impact ring and sleeve provides stability and durability • The impact rings are suitable for use under a press • Impact rings are marked for clear visual identification of the ring’s size and easy selection • Even surface of the impact sleeve’s body provides excellent grip • The nylon double-side head of the deadblow hammer helps to prevent damaging the components • The rubber handgrip of the dead-blow hammer provides excellent grip Technical data Designation TMFT 36 Impact rings Bore diameter Outer diameter Sleeves Maximum shaft diameter Hammer 10–55 mm (0.39–2.1 in.) 26–120 mm (1.02–4.7 in.) Sleeve A: 220 mm (8.7 in.) Sleeve B: 220 mm (8.7 in.) Sleeve C: 225 mm (8.9 in.) TMFT 36-H, weight 0,9 kg (2.0 lb) Dimensions of the case Number of rings 36 Number of sleeves 3 Weight (including carrying case) 525 420 130 mm (20.7 16.5 5.1 in.) 4 kg (8.8 lb) 10
Page 1 and 2: SKF Maintenance and Lubrication Pro
Page 3 and 4: The SKF Bearing Life Cycle Help you
Page 5 and 6: Prevent over 60% of premature beari
Page 7 and 8: Mechanical tools SKF Bearing Fittin
Page 9: Mounting and dismounting Mounting A
Page 13 and 14: Spanners and sockets Interference f
Page 15 and 16: Easy and quick bearing mounting and
Page 17 and 18: High impact forces without nut dama
Page 19 and 20: Mounting and dismounting Multi-purp
Page 21 and 22: SKF EasyPull Equipped with spring-o
Page 23 and 24: SKF Jaw pullers One of the most com
Page 25 and 26: Effortless bearing dismounting up t
Page 27 and 28: SKF Strong Back Pullers Easy bearin
Page 29 and 30: SKF Blind housing pullers Selection
Page 31 and 32: Technical data - SKF Blind Housing
Page 33 and 34: Puller accessory selection guide A
Page 35 and 36: Effortless withdrawal force generat
Page 37 and 38: For additional user safety during d
Page 39 and 40: Heating tools Mounting Magnetic tem
Page 41 and 42: Induction heaters TMBH 1 Portable i
Page 43 and 44: Technical data Designation TMBH 1 T
Page 45 and 46: For frequent dismounting of cylindr
Page 47 and 48: Accessories Get a safe grip on hand
Page 49 and 50: Mounting and dismounting bearings u
Page 51 and 52: SKF Drive-up Method Accurate axial
Page 53 and 54: Hydraulic nuts Easy application of
Page 55 and 56: Ordering details and dimensions - H
Page 57 and 58: Ordering details and dimensions - H
Page 59 and 60: Hydraulic pumps 50 MPa (7 250 psi)
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Oil Injectors 300 MPa (43 500 psi)
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Air-driven hydraulic pumps and inje
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Accessories Maximum working pressur
Page 67 and 68:
For easy pressure hose connection S
Page 69 and 70:
Catering for difficult connection a
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Also available from SKF Mounting be
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Alignment Introduction 74 SKF Shaft
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Alignment Accurate shaft alignment
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The quick, easy and affordable lase
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Technical data Designation TKSA 20
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For accurate vertical machinery ali
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Belt alignment One of the common re
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Basic condition monitoring Basic co
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Sound Abnormal sounds from machines
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SKF Infrared thermometers Infrared
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Technical data Designation TKTL 10
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Digital camera with extensive therm
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Comprehensive high resolution therm
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Pinpoint accuracy combined with mea
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Easy, cost effective inspection in
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Fast and easy inspection with video
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Easily pinpoints bearing and machin
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Quick and easy detection of air lea
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Machine monitoring, made simple SKF
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Also available from SKF SKF basic c
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Lubricants SKF lubricants selection
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Lubrication Poor lubrication accoun
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SKF lubricants SKF lubricants offer
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SKF bearing grease selection chart
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Bearing grease LGMT 2 SKF General P
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LGEP 2 SKF High Load, Extreme Press
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LGFP 2 SKF Food Compatible Bearing
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LGBB 2 SKF Wind Turbine Blade and Y
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LGWM 1 SKF Extreme Pressure Low Tem
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LGEM 2 SKF High Viscosity Bearing G
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LGHB 2 SKF High Load, High Temperat
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LGET 2 SKF Extreme Temperature, Ext
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Special lubricants LESA 2 Grease de
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Technical data Understanding grease
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R2F grease test rig ROF+ grease tes
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Automatic lubrication Improve clean
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SKF SYSTEM 24 Gas driven single poi
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SKF SYSTEM 24 Electro-mechanical si
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SKF SYSTEM 24 A full range for enha
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SKF MultiPoint Automatic Lubricator
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Manual lubrication A basic element
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Accurate grease quantity measuremen
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Renew or upgrade your equipment SKF
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A proper solution for oil handling
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Lubrication management tools Portab
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Reduce costly and time consuming la
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Also available from SKF When the ap
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A comprehensive working guide for t
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Designation index Designation Descr
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Designation index Designation Descr
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SKF Maintenance and Lubrication Products

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