SKF - Industrial Shaft Seals

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Radial shaft seals CRW1, CRWA1, CRWH1 and CRWHA1 seals These radial shaft seals are low-friction seals with SKF Wave lip design for reduced heat genera tion. See pages 57 and 58 for more infor mation on SKF Wave lip design. They have a metal outside diameter for easy installation and a firm and accurate fit in the housing bore. The seals feature SKF Bore Tite Coating on the outside diameter, a non-hardening, water-based acrylic sealant that helps fill small imperfections in the housing bore. They are primarily designed to retain lubricants but are also suitable for contaminant exclusion, especially the CRWA1 and CRWHA1 seals designed with an auxiliary lip. CRW1 CRWH1 CRWA1 CRW1: Seal with a single steel case, SKF Wave lip and a carbon steel garter spring. CRWH1: Seal with a double steel case, SKF Wave lip and a carbon steel garter spring. CRWHA1 CRWA1: Seal with a single steel case, SKF Wave lip, a carbon steel garter spring and an auxiliary, non-contacting lip. CRWHA1: Seal with a double steel case, SKF Wave lip, a carbon steel garter spring and an auxiliary, non-contacting lip. All of these seals are available with sealing lips made of either nitrile rubber or the SKF developed fluoro rubber compound SKF Duralife. Other materials are also available on request. See matrix 1 on pages 90 and 91 for permissible operating conditions. 104
Radial shaft seals – CRW1, CRWA1, CRWH1 and CRWHA1 – metric dimensions d 1 12 – 17 mm b d 1 D 2.2 Please see pages 74 to 76 for housing bore requirements. Dimensions Shaft Bore Nominal seal width d 1 D b Design and lip material Designation mm – – 12 22 7 CRW1 V 12¥22¥7 CRW1 V 22 7 CRW1 R 12¥22¥7 CRW1 R 25 7 CRW1 R 12¥25¥7 CRW1 R 26 7 CRW1 R 12¥26¥7 CRW1 R 28 7 CRW1 R 12¥28¥7 CRW1 R 28 7 CRW1 P 12¥28¥7 CRW1 P 32 7 CRW1 R 12¥32¥7 CRW1 R 32 7 CRW1 V 12¥32¥7 CRW1 V 35 7 CRW1 R 12¥35¥7 CRW1 R 14 26 7 CRW1 V 14¥26¥7 CRW1 V 32 7 CRW1 R 14¥32¥7 CRW1 R 15 25 7 CRW1 P 15¥25¥7 CRW1 P 28 7 CRW1 R 15¥28¥7 CRW1 R 32 7 CRW1 R 15¥32¥7 CRW1 R 32 7 CRW1 V 15¥32¥7 CRW1 V 35 7 CRW1 R 15¥35¥7 CRW1 R 35 7 CRW1 P 15¥35¥7 CRW1 P 16 28 7 CRW1 R 16¥28¥7 CRW1 R 30 7 CRW1 R 16¥30¥7 CRW1 R 32 7 CRW1 R 16¥32¥7 CRW1 R 35 7 CRW1 R 16¥35¥7 CRW1 R 40 7 CRW1 R 16¥40¥7 CRW1 R 40 7 CRWA1 R 16¥40¥7 CRWA1 R 17 27 6,35 CRW1 R 17¥27¥6 CRW1 R 28 7 CRW1 R 17¥28¥7 CRW1 R 28 7 CRW1 V 17¥28¥7 CRW1 V 30 7 CRW1 R 17¥30¥7 CRW1 R 32 7 CRW1 R 17¥32¥7 CRW1 R 35 7 CRW1 R 17¥35¥7 CRW1 R 35 7 CRW1 V 17¥35¥7 CRW1 V 40 7 CRW1 R 17¥40¥7 CRW1 R 47 7 CRW1 R 17¥47¥7 CRW1 R 105
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Industrial shaft seals
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1 Product data - general ..........
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Meeting the toughest challenges Our
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Bearings SKF is the world leader in
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2 Radial shaft seals ..............
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Foreword This edition of the Indust
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Product data - general 1 Industrial
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Profile overview selection Radial s
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1 Cassette seals, SKF Mudblock MUD1
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V-ring Fig. 1 Selection of seal des
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CRW1 seal CRW1 seals in tandem Fig.
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CRW1 seals Fig. 16 Separating two l
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CRWA5 seal Fig. 19 Pressure differe
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V-ring seal V-ring seals Fig. 23 Fi
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Counterface design The service life
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Seal materials Cases and inserts Me
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Nitrile rubber (R) The term nitrile
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Polyacrylate elastomer Polyacrylate
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Chemical resistance In table 2, Che
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cont. table 2 Chemical resistance M
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Cleaning and maintenance In the eve
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Metal-reinforced seals ............
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Radial shaft seals General Radial s
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Radial shaft seals Fig. 2 Metal-cas
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Radial shaft seals - CRW1, CRWA1, C
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Radial shaft seals CRW5 and CRWA5 s
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Radial shaft seals - CRW5 and CRWA5
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Radial shaft seals HDW1 seals HDW1
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Radial shaft seals CRS1, CRSH1, CRS
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Radial shaft seals - CRS1, CRSH1, C
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Radial shaft seals PTFE radial shaf
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Radial shaft seals Table 14 Materia
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Radial shaft seals HM and TL seals
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Radial shaft seals - HM and TL seal
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Radial shaft seals X seals, sealing
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Radial shaft seals - X seals - metr
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Radial shaft seals - X seals - inch
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Radial shaft seals Seals for heavy
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Radial shaft seals HDSA and HDSB ea
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Radial shaft seals Additional desig
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Radial shaft seals HSF fabric-reinf
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Radial shaft seals HS split seals I
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Radial shaft seals SKF Springlock T
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Radial shaft seals Table 19 Standar
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Radial shaft seals - HDS7 - metric
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Radial shaft seals - HDS7 - inch di
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Radial shaft seals - HDS7 - inch di
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Radial shaft seals - HDS7K - metric
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Radial shaft seals - HDS7K - inch d
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Radial shaft seals - HDL - metric d
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Radial shaft seals - HDL - inch dim
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Radial shaft seals - HDS1, HDS2 and
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Radial shaft seals - HDS1K - inch d
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Radial shaft seals - HDS2K - metric
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Radial shaft seals - HDSF and HDSH
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Radial shaft seals - HDSA and HDSB
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Radial shaft seals - HDSE1 - metric
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Radial shaft seals - HDSD and HDSE
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Radial shaft seals - SBF - metric d
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Radial shaft seals - HSF1 (split) a
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Radial shaft seals - HSF9 - metric
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Radial shaft seals - HS4 and HS5 -
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Radial shaft seals - HS4 and HS5 -
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Radial shaft seals - HS6, HS7 and H
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Cassette seals General ............
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Design features All SKF Mudblock se
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Fig. 2 SKF Mudblock seal MUD5 Half
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Wear sleeves General To seal effici
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Wear sleeves SKF Speedi-Sleeve Gold
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Wear sleeves Fig. 6 Fig. 7 Fig. 8 I
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SKF Speedi-Sleeve - metric dimensio
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SKF Speedi-Sleeve - inch dimensions
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Wear sleeves Wear sleeves for heavy
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Wear sleeves Using LDSLV designs Th
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Wear sleeves for heavy industrial a
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Track pin seals General ...........
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SKF Trackstar seals provide several
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Dimensions Spacer ring Bore Operati
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Metal face seals General SKF metal
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Metal face seals Permissible operat
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Metal face seals - HDDF - inch and
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Metal face seals - HDDF - inch and
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V-ring seals General ..............
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low but sufficient enough to mainta
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Main V-ring functions V-rings are s
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Sliding velocities V-rings can oper
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Counterface A fine-turned counterfa
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Shaft requirements Sharp edges, nic
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Dimensions Shaft diameter Seal insi
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Dimensions Design Lip Shaft diamete
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Installation The inside diameter of
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Dimensions Shaft Case outside Seal
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469 7.4
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Axial clamp seals General SKF axial
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Axial clamp seals Installation inst
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Axial clamp seals - CT1 and CT4 - m
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Axial clamp seals - CT1 and CT4 - m
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Axial clamp seals - CT1 and CT4 - i
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Product index Design Product group
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Design Product group Product table
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SKF - Industrial Shaft Seals

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