SSRB range with prefix and suffix
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1 SSRB range with prefix and suffix 21
2 Designations information There are two designation systems for SKF Explorer sealed spherical roller bearings. One identifies sealed bearings in the standard ISO dimension series and the other extended width versions. Below is shown how the two designation systems are to be interpreted. Other suffixes, denoting special bearings or frequent variants, e.g. radial internal clearance other than Normal, are added according to the standard designation system. Bearings with dimensions according to ISO standard xxxxx-2csx/xxxx Example: CS5/VT143 VT143: Filled to 25-45% with LGEP 2 grease. See also supplementary suffixes on page 20. 2CS: Acrylonitrile-butadiene rubber (NBR) seal on both sides. Does not specify grease type or filling degree! 2CS5: Hydrogenated acrylonitrile-butadiene rubber (HNBR) seal on both sides. Does not specify grease type or filling degree! 2CS2: Fluoroelastomer (FKM) seal on both sides. Does not specify grease type or filling degree! Standard five-digit basic designation Bearings with extended width BS2-xxxx-xCSx/xxxx Example: BS CS5/VT143 See above The two initial digits denote the dimension series and the two last digits the bore diameter divided by 5. Denotes a spherical roller bearing (2 rows of rollers). 19
3 Suffixes in product table 2CS 2CS2 2CS5 Bearing sealed on both sides. Seal material: Acrylonitrile-butadiene rubber (NBR). Bearing sealed on both sides. Seal material: Fluoroelastomer (FKM). Bearing sealed on both sides. Seal material: Hydrogenated acrylonitrile-butadiene rubber (HNBR). K Tapered bore. Taper 1:12 K30 Tapered bore. Taper 1:30 VT143 W Filled to 25-45% with LGEP 2 grease. The filling degree depends on bearing size. Bearing without W33 groove and holes in the outer ring. Supplementary suffixes CS CS5 C3 GEM9 VT143B VT143C Bearing sealed on one side Seal material: Acrylonitrile-butadiene rubber (NBR) Outer ring with W33 groove and holes Bearing sealed on one side Seal material: Hydrogenated acrylonitrile-butadiene rubber (HNBR). Outer ring with W33 groove and holes Radial internal clearance greater than Normal Filled to % with LGHB 2 grease Filled to 45-60% with LGEP 2 grease Filled to % with LGEP 2 grease Old versus new suffixes Old suffix New suffix xxxxx-2cs equal to xxxxx-2cs/vt143 information (Grease specification included in the 2CS suffix) (Grease specification not included in the 2CS suffix. Instead it is included in the VT143 suffix) xxxxx- 2CS5 replaced by xxxxx-2cs5/gem9 (Grease specification included in the 2CS5 suffix) (Grease specification not included in the 2CS5 suffix. Instead it is included in the GEM9 suffix) 20
4 SKF Explorer sealed spherical roller bearings d mm B K b r 2 r1 D D 1 d d 2 d Cylindrical bore Tapered bore Principal Basic load ratings Fatigue Limiting Mass Designations dimensions dynamic static load speed Bearings with Bearings with limit cylindrical bore tapered bore d D B C C 0 P u mm kn kn r/min kg , ,26 BS CS/VT , ,34 BS CS/VT ,5 85 9, ,52 BS CS/VT ,5 90 9, ,57 BS CS/VT143 BS CSK/VT ,2 BS CS/VT , ,66 BS CS/VT143 BS CSK/VT , ,6 BS CS/VT143 BS CSK/VT , ,7 BS CS/VT143 BS CSK/VT ,1 BS CS/VT143 BS CSK/VT , BS CS/VT143 BS CSK/VT ,8 BS CS/VT143 BS CSK/VT , ,3 BS CS/VT143 BS CSK/VT , ,4 BS CS/VT143 BS CSK/VT , , CS5W/VT ,6 BS CS/VT143 BS CSK/VT ,15 BS CS/VT143 BS CSK/VT , ,8 BS CS/VT143 BS CSK/VT ,1 BS CS/VT143 BS CSK/VT , , CS2W/VT , ,1 BS CS/VT143 BS CSK/VT ,5 BS CS/VT143 BS CSK/VT ,4 BS CS/VT143 BS CSK/VT ,2 BS CS/VT143 BS CSK/VT , BS CS/VT143 BS CSK/VT ,7 BS CS/VT143 BS CSK/VT , , CS/VT , ,65 BS CS/VT143 BS CSK/VT143 22
5 r a D a d a d a d b B a Dimensions Abutment and Calculation factors fillet dimensions d d 2 D 1 b K r 1,2 d a d a d b Ba D a r a e Y 1 Y 2 Y 0 ~ ~ min min max min min max max mm mm , ,4 1 0,35 1,9 2,9 1, ,7 3, , ,4 1 0,31 2,2 3, ,7 3,7 2 1, ,31 2,2 3,3 2, ,5 3 1, ,28 2,4 3,6 2,5 47,5 81 5,5 3 1,5 47,5 47, ,5 0,37 1,8 2,7 1, ,1 5,5 3 1, , ,26 2,6 3,9 2, ,1 5,5 3 1, ,5 0,37 1,8 2,7 1, ,1 5,5 3 1, , ,24 2,8 4,2 2,8 61,5 97,6 5, , ,37 1,8 2,7 1, , , ,5 0,24 2,8 4,2 2, , ,35 1,9 2,9 1, , ,5 0,24 2,8 4,2 2, ,1 8,3 4,5 2, ,35 1,9 2,9 1, ,9 92,8 5,5 3 1, , ,27 2,5 3,7 2, ,5 3 1, , ,5 0,24 2,8 4,2 2,8 78, ,3 4,5 2, , ,35 1,9 2,9 1, , ,5 0, ,4 2,8 86,8 136,1 8,3 4,5 2, , , , , , ,28 2,4 3,6 2, , ,5 0,22 3 4,6 2, ,3 4,5 2, ,35 1,9 2,9 1, , ,5 85 2, ,22 3 4,6 2,8 94,2 152,1 8,3 4,5 2, , ,35 1,9 2,9 1, , ,22 3 4,6 2, ,5 20, ,24 2,8 4,2 2,8 104,5 147,1 5, , ,31 2,2 3,3 2, ,1 8,3 4,5 2, ,24 2,8 4,2 2,8 23
6 SKF Explorer sealed spherical roller bearings d mm K b r 2 r1 D D 1 B d d 2 Cylindrical bore Principal Basic load ratings Fatigue Limiting Mass Designations dimensions dynamic static load speed Bearings with Bearings with limit cylindrical bore tapered bore d D B C C 0 P u mm kn kn r/min kg , , CS2/VT , CS2/VT , CS5/VT ,35 BS CS5/VT143 BS CS5K/VT , , CS/VT , , CS/VT CS/VT , CS5/VT CS5K/VT , CS5/VT ,6 BS CS5/VT143 BS CS5K/VT , , , CS5/VT CS5K/VT , CS2/VT , CS5/VT , CS5/VT , ,75 BS CS5/VT143 BS CS5K/VT CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT CS5K/VT , , CS5/VT CS5/VT BS CS5/VT143 BS CS5K/VT , CS5/VT CS5K/VT CS5/VT CS5K/VT , CS5/VT CS5K/VT , CS5/VT , CS5/VT , CS5/VT CS5K/VT CS5/VT CS5K/VT , CS5/VT CS5K/VT143 24
7 r a r a D a d a d a d b B a Dimensions Abutment and Calculation factors fillet dimensions d d 2 D 1 b K r 1,2 d a d a d b B a D a r a e Y 1 Y 2 Y 0 ~ ~ min min max min min max max mm mm , ,5 0,28 2,4 3,6 2, ,27 2,5 3,7 2, , ,35 1,9 1,2 1, ,3 4,5 2, ,5 22, ,24 2,8 4,2 2, ,3 4,5 2, ,30 2,3 3,4 2, ,23 2,9 4,4 2, , , ,3 4, ,27 2,5 3,7 2, ,35 1,9 2,9 1, ,3 4,5 2, , ,25 2,7 4 2, ,3 4,5 2, , ,20 3,4 5 3, ,28 2,4 3,6 2, ,37 1,8 2,7 1, ,1 6 2, , ,26 2,6 3,9 2, ,3 4,5 2, , ,9 7, ,5 0, ,3 4, ,21 3,2 4,8 3, ,30 2,3 3,4 2, , , , ,5 0,27 2,5 3,7 2, ,3 4, ,5 0,31 2,2 3,3 2, , , ,3 4, ,2 3,4 5 3, ,28 2,4 3,6 2, ,3 4,5 2, ,35 1,9 2,9 1, , ,5 0,24 2,8 4,2 2, , ,5 0, , , Valid for cylindrical bore (SKF Gen. Cat. std). Corresponding values for tapered bore are listed on page
8 SKF Explorer sealed spherical roller bearings d mm K b r 2 r1 D D 1 B d d 2 Cylindrical bore Principal Basic load ratings Fatigue Limiting Mass Designations dimensions dynamic static load speed Bearings with Bearings with limit cylindrical bore tapered bore d D B C C 0 P u mm kn kn r/min kg , , CS5/VT CS5K/VT , CS5/VT CS5/VT CS5K/VT CS5/VT CS5K30/VT CS5/VT CS5K/VT , CS5/VT , CS5/VT CS5K/VT , CS5/VT CS5K/VT CS5/VT , CS5/VT CS5K/VT CS5/VT , CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT CS5K/VT , CS5/VT CS5/VT CS5K/VT , CS5/VT , CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT CS5/VT CS5K/VT , CS5/VT , CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT , CS5/VT CS5K/VT , CS5/VT CS5K/VT CS5/VT CS5K/VT , CS5/VT , CS5/VT CS5K/VT CS5/VT143 26
9 r a r a D a d a d a d b B a Dimensions Abutment and Calculation factors fillet dimensions d d 2 D 1 b K r 1,2 d a d a d b B a D a r a e Y 1 Y 2 Y 0 ~ ~ min min max min min max max mm mm ,3 4,5 2, ,2 3,4 5 3, , ,28 2,4 3,6 2, ,1 6 2, ,28 2,4 3,6 2, ,3 4,5 2, ,37 1,8 2,7 1, ,9 7, ,5 0,24 2,8 4,2 2, , ,5 0, , , ,1 6 2, ,2 3,4 5 3, ,3 4,5 2, ,28 2,4 3,6 2, ,9 7,5 2, ,28 2,4 3,6 2, ,3 4,5 2, ,37 1,8 2,7 1, ,9 7, ,5 0,25 2,7 4 2, , , ,1 6 2, ,22 3 4,6 2, ,3 4,5 2, ,3 2,3 3,4 2, ,9 7,5 2, ,28 2,4 3,6 2, ,3 4,5 2, ,37 1,8 2,7 1, , ,25 2,7 4 2, ,9 7,5 2, ,22 3 4,6 2, ,3 4,5 2, ,31 2,2 3,3 2, ,9 7, ,5 0,28 2,4 3,6 2, , ,5 0,37 1,8 2,7 1, , ,26 2,6 3,9 2, ,9 7, ,5 0,3 2,3 3,4 2, , ,5 0,40 1,7 2,5 1, , ,26 2,6 3,9 2, ,9 7,5 2, ,24 2,8 4,2 2, , ,5 0,31 2,2 3,3 2, , ,5 0,40 1,7 2,5 1, , ,26 2,6 3,9 2, , ,35 1,9 2,9 1,8 Valid for cylindrical bore (SKF Gen. Cat. std). Corresponding values for tapered bore are listed on page
10 SKF Explorer sealed spherical roller bearings d mm K b r 2 r1 D D 1 B d d 2 Cylindrical bore Principal Basic load ratings Fatigue Limiting Mass Designations dimensions dynamic static load speed Bearings with Bearings with limit cylindrical bore tapered bore d D B C C 0 P u mm kn kn r/min kg CS5/VT CS5K/VT , CS5/VT CS5K/VT , CS/VT , CS5/VT CS5K/VT , CS5/VT CS5K/VT , CS5/VT CS5K/VT , CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT CS5K/VT CS5/VT CS5K/VT143 Not SKF Explorer bearing 28
11 r a r a D a d a d a d b B a Dimensions Abutment and Calculation factors fillet dimensions d d 2 D 1 b K r 1,2 d a d a d b B a D a r a e Y 1 Y 2 Y 0 ~ ~ min min max min min max max mm mm ,9 7, ,5 0,24 2,8 4,2 2, , ,28 2,4 3,6 2, ,3 4,5 2, ,15 4,5 6,7 4, , ,27 2,5 3,7 2, ,9 7, ,5 0,23 2,9 4,4 2, , ,28 2,4 3,6 2, , ,23 2,9 4,4 2, , ,3 2,3 3,4 2, , ,3 2,3 3,4 2, , ,3 2,3 3,4 2, , ,3 2,3 3,4 2, , ,31 2,2 3,2 2,2 Valid for cylindrical bore (SKF Gen. Cat. std). Corresponding values for tapered bore are listed on page
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