IBC Wälzlager GmbH Industrial Bearings and Components has more than Sets out of single bearings of same preload (indication of main load in Vdirection) NNU 4924 165 45 130 NN 3026 200 52 NNU 4926 180 50 140 NN 3028 210 53 NNU 4928 190 50 150 NN 3030 225 56 NNU 4930 210 60 160
IBC supplies single bearings as well as sets with an overall Vmarking over the outer rings (The Vmark on a single bearing points in the direction from which side the axial load is applied at the inner ring) Sets with Vmarking are advantageous in several aspects for the customer a The diameter tolerance of the inner and
Within each order code a distinction is made between the basic designation and any suffixes and/or prefixes The basic designation indicates the bearing type and the bore size These basic designations are defined in the German DIN 623 standard and the relevant ISO standard For most bearing types the
Cylindrical roller bearings double row superprecision Tolerances SP UP SP and UP for 112 tapered bore Chamfer dimensions Radial internal clearance table Recommended shaft and housing fits shafts housings Values for ISO tolerance classes shafts housings Speed dependent initial grease fill → Initial
RULMENTI 1201 MGM 9 1202 CSC 8 1203 IBU 21 1204 MGM DKF 49 1205 DKF URB 146 1206 DKF CSC 6 1207
v této fázi Schaeffler Gruppe Industrie proto poskytuje osvědčené výpočetní a simulační nástroje pro vlastní použití nebo je dává k dipozici jako podpůrnou službu NNU4924SKMSP 232 390 4 300 5 000 2 700 394 NN3024ASKMSP 190 390 4 000 4 800 3 600 373 NNU4926SKMSP 290 500 3 800
V Rodamiento lleno de rodillos cilíndricos (sin jaula) Full complement cylindrical roller bearing (without cage) VH Rodamiento lleno de rodillos cilíndricos con NNU 4924 KMW33 176 340 180 46 2 NN 3024 MW33 232 390 180 46 2 NN 3024 KMW33 232 390 130 180 50 15 NNU 4926 MW33 190 390
V Ni Cu Co W AISI M50 077 to 085 375 to 425 400 to 450 090 to 110 Table 5 2 Chemical Composition of Carburizing Bearing Steels (Major Elements) NN3924 NN3924K 165 45 11 — 153 183 360 18 700 37 000 NN4924 NN4924K 165 45 11 133 — 183 360 18 700 37 000 NNU4924 NNU4924K
Quality Super Precision Bearings manufacturers exporter buy V Groove Guide Roller Super Precision Bearings LV20/8ZZ Track Roller Bearing LV20/82RS from China manufacturer
1 The bearing seatings and other external surfaces are checked with the spindle mounted in Vblocks Deviations are indicated by means of a dial gauge NNU 4924 B/W33 165 45 176 000 340 000 37 500 4 800 5 300 265 NNU 4924 BK/W33 180 46 229 000 390 000 44 000 4 500 5 000 37 NN 3024 TN9
The maximum permissible speed parameter for axial cylindrical roller bearings is n·dM = 250 000 min1 · mm while the maximum for axial deep groove ball bearings is n · dM = 440 000 min1 · mm Suitable synthetic oils with a good V/T behaviour are esters and polyalphaolefins PAO since the viscosity of these oils shows
25 NSK RHP Definition RSR V VV Lager mit einer schleifenden Dichtscheibe ohne Nut im Innenring bei zweireihigen Schrägkugellagern Beispiel 3302 BRSR Lagerluft kleiner als C2 Beispiel NNU 4924 MB KR E44 CC1 P4 Lagerluft kleiner als normal Beispiel 6308 C2 Lagerluft größer als normal Beispiel CAM C3
V · VV DDU Z Factor f0 Basic Load Ratings (N) Cr C0r Remarks 1 Diameter Series 7 (extra thin section bearings) are also available please contact NSK 2 When using bearings with rotating outer rings contact NSK if they are sealed shielded or have snap rings 3 The bearings denoted by an asterisk( ) are
does not exist between rolling elements and raceway) and under the cleanliness conditions which would normally prevail in an adequately sealed bearing arrangement The a3 factor is based on the viscosity ratio K this is defined as the ratio of the actual lubricant viscosity V for the viscosity v1 required for adequate
Angular Contact Ball Bearings V Cylindrical Roller Bearings Angular Contact Ball Bearings for Axial Load Tapered Roller Bearings Support Bearings and NNU4924 NNU4924K 234 373 4 700 5 700 3 7 1265 132 137 1 84 290 277 130 180 50 15 146 NNU4926 NNU4926K 269 428 4 300 5 200 3 7
Roller Bearings Bearing Dimension Tables Angular Contact Ball Bearings V Cylindrical Roller Bearings Angular Contact Ball Bearings for Axial Load Tapered NNU4924 NNU4924K 234 373 4 700 5 700 130 180 50 15 146 NNU4926 NNU4926K 269 428 4 300 5 200 140 190 50 15 156 NNU4928
Table 2 Model and characteristics of the double row cylindrical roller bearings Cylindrical roller bearings are classified 375 23300 38000 NNU3022 NNU3022K NN3022 NN3022K 165 45 11 183 360 18700 37000 NNU4924 NNU4924K NN4924 NN4924K 180 46 2 233 390 23700 40000 NNU3024 −
Latest updateSuffix Master sourceShort instruction for search in filter functions Suffix 118 18 3 0 Used for series Bearing Components Variations Roller bearing units Roller bearing units Roller bearing units Bearings with parts of material other than normal and/or with parts specially hardened series RRM Machine tool
H onepiece opentype cage eg 629TNH S cage with lubrication grooves eg NJ418MAS V bearing without cage full rolling element number eg NU209V Tolerance converging lines in “V” shape on the outer cylindrical surface of the matched pair Bearings are Bearings type NNU4920 and NNU4924 are also
Hybrid precision angular contact ball bearings 28 2 Cylindrical roller bearings of a set have a “V” marking on their outside NNU 4924 BK/W33 180 46 229 000 390 000 44 000 4 500 5 000 370 NN 3024 KTN9/W33 130 180 50 187 000 390 000 41 500 4 300 4 800 385 NNU 4926 B/W33 180 50
Advantages Any combination can be readily assembled; because these are universal type bearings DB DF and DT combinations as well as multicombinations can be made Spacer combinations can be simplified; if the inner and outer ring spacer widths are the same the bearing can be readily assembled with the
