SNR ball bearing units with cast iron or pressed steel ...

1 CouvGBc:couv 4/12/08 15:38 Page 2. SNR ball bearing units with cast iron or pressed steel housings SNR 2006. TC 09 GBc Industry couvGBc:couv 4/12/08 15:38 Page 3. General SNRNos ballpaliers bearings'alignent . units - sur more toutes than just vos attentes. conventional More than just conventional - not only words for In addition there is an option to provide grey cast us! Since more than 35 years SNR is a leading iron housing units with open or closed protective manufacturer of ball bearing units and thus has a caps made of stainless steel . large pool of experience in various applications for machine and plant construction.

2 The SNR standard range also includes bearing units for high and low temperature. Besides an extensive conventional standard ran- ge SNR developed a variety of special custom-built In case the capacity of the series 200 is not suffi- solutions. cient, the engineer can select different bearing units of the series 300. Here various shaft fixing That means different surface treatments, as options are available, too. special painting, zinc or nickel coating, various fixing or sealing systems for the bearing inserts, In cases, where the customer can't find an appro- particular dimensions or housing design - just more priate bearing for his application in this catalogue than only conventional or the catalogues "SNR bearing units of stainless steel " or "SNR bearing units with thermoplastic In this catalogue you will find the SNR standard housings" there still is the option to design a range for ball bearing units with cast iron and pres- custom-built solution together with SNR.

3 Sed steel housings. In those cases please contact one of our sales offi- Housings are made of grey cast iron or sheet steel . ces. Finally you will find: The surface of the grey cast iron housings is pas- sivated and painted for protection against corro- sion. pressed steel housings are zinc-plated. SNR ball bearing units - more than just conventional. SNR bearing inserts are equipped with forged rings. This forming technology is favourable for bearing life. The inserts are deep groove ball bearings with sphe- rical outer rings that can compensate misalignment and flexion of shafts to a certain extent.

4 Fixing to the shaft is by means of set screws, eccentric lok- king collar or adapter sleeve. SNR gives in addi- tion the option for mounting in floating position. For surroundings with strong contamination bea- ring inserts with triple lip seal L3 are available. Although great care was taken during the preparation of this publication we cannot accept any responsibility for any mistakes or omissions. Subject to technical change. 1ere partie GBc:Vorlage-GB 4/12/08 14:53 Page 3. SNR Industry 3. Contents Page 1. General Foreword .. 2. Overview, range of units .. 4-5.

5 Designation scheme .. 6. Prefixes and suffixes .. 7. housing designs .. 8-9. 2. SNR ball bearing units Grey cast iron ball bearing units .. Design .. 10. Materials/Surfaces .. 11. Load capacity .. 12 - 13. pressed steel housings .. Design .. 14. Materials/Surfaces .. 15. Load capacity .. 15. bearing inserts .. Design .. 16 - 17. Materials .. 18. Options for shaft fixing .. 19 - 21. Tightening torques .. 22. Seals .. 23. Operating temperature .. 24. bearing clearance .. 24. Axial load capacity of bearing inserts .. 25. Load ratings and speed limits .. 25. Life calculation.

6 26 - 28. Protective caps .. Designs .. 29. Materials .. 29. Fixing on the housing .. 29. Assembly .. 30. Seals .. 30. units .. Designs .. 31. Assembly .. 31 - 33. Lubrication and maintenance .. 34. 3. Dimension tables ball bearing units .. 36 - 159. bearing inserts .. 160 - 183. 4. Tolerances and Fixing of housings Tolerances for grey cast iron housings .. 184 - 189. Tolerances for pressed steel housings .. 190 - 191. Fixing of housings .. 192. Tolerances of bearing inserts .. 193 -195. 5. Custom-built bearing units Custom-built bearing units .. 196. 6. Tables Conversion table inch mm.

7 197. Conversion table mm inch .. 198. 1ere partie GBc:Vorlage-GB 4/12/08 14:54 Page 4. General Nos paliers Overview, ranges'alignent . of units Greysur toutes cast iron vos attentes. units , series 200. Inserts UC200 US200 ES200 EX200 UK200+H Protective Page Page Page Page Page Page Page 160 161 162 163 164 caps Housings PE UCPE 36 USPE 36 ESPE 36 EXPE 36 UKPE+H 36 CO/CC 36. Pillow block units PLE UCPLE 40 USPLE 40 ESPLE 40 EXPLE 40 UKPLE 40 CO/CC 40. P UCP 44 USP 44 ESP 44 EXP 44 UKP+H 44 CO/CC 44. PH UCPH 52 USPH 52 ESPH 52 EXPH 52 UKPH+H 52 CO/CC 52. PAE UCPAE 56 USPAE 56 ESPAE 56 EXPAE 56 UKPAE+H 56 CO/CC 56.

8 PG UCPG 60 USPG 60 ESPG 60 EXPG 60 UKPG+H 60 CO/CC 60. PA UCPA 64 USPA 64 ESPA 64 EXPA 64 UKPA+H 64. FE UCFE 68 USFE 68 ESFE 68 EXFE 68 UKFE+H 68 CO/CC 68. F UCF 72 USF 72 ESF 72 EXF 72 UKF+H 72 CO/CC 72. FCE UCFCE 80 USFCE 80 ESFCE 80 EXFCE 80 UKFCE+H 80. FC UCFC 84 USFC 84 ESFC 84 EXFC 84 UKFC+H 84 CO/CC 84. FEE USFEE 88 ESFEE 88. Flanged units FTE USFTE 94 ESFTE 94. FLE UCFLE 96 USFLE 96 ESFLE 96 EXFLE 96 UKFLE+H 96 CO/CC 96. FL UCFL 100 USFL 100 ESFL 100 EXFL 100 UKFL+H 100 CO/CC 100. FLZ UCFLZ 108 USFLZ 108 ESFLZ 108 EXFLZ 108 UKFLZ+H 108. FD USFD 112 ESFD 112.

9 FAE USFAE 114 ESFAE 114. FA UCFA 116 USFA 116 ESFA 116 EXFA 116 UKFA+H 116 CO/CC 116. T UCT 120 UST 120 EST 120 EXT 120 UKT+H 120 CO/CC 120. Take-up-, cartridge- and T+WB UCT+WB 128 UST+WB 128 EST+WB 128 EXT+WB 128 UKT+H+WB 128 CO/CC 128. hanger units SP UCSP 132 USSP 132 ESSP 132 EXSP 132 UKSP+H 132 CO/CC 132. SPR 1 24 136. C UCC 138 USC 138 ESC 138 EXC 138 UKC+H 138. EHE UCEHE 146 USEHE 146 ESEHE 146 EXEHE 146 UKEHE+H 146. SNR Industry 4. 1ere partie GBc:Vorlage-GB 4/12/08 14:54 Page 5. SNR Industry 5. Grey cast iron units , series 300. Page Page Page Inserts UC300 EX300 UK300+H.

10 Page 165 166 167. Pillow Housings block units P UCP 44 EXP 44 UKP+H 44. F UCF 72 EXF 72 UKF+H 72. Flanged units FS UCFS 90 EXFS 90 UKFS+H 90. FL UCFL 100 EXFL 100 UKFL+H 100. cartridge units Take-up- and T UCT 120 EXT 120 UKFL+H 120. C UCC 138 EXC 138 UKC+H 138. pressed steel units , series 200. Page Page Inserts US200 ES200. Page 161 162. Housings Pillow block units PP USPP 150 ESPP 150. Flanged units PF USPF 152 ESPF 152. PFL USPFL 154 ESPFL 154. PFT USPFT 156 ESPFT 156. PFE USPFE 158 ESPFE 158. bearing inserts with cylindrical outer ring bearing CUC200 CUS200 CES200 CEX200.