| | | Inner ring | | C and CJ2 designs Through hardened and ground steel, sliding surface hard chromium plated and polished | | TXA and TXE designs Through hardened and ground steel, sliding surface hard chromium plated and polished TXG3E and TXG3A designs Stainless steel X 46 Cr 13/1.4034, hardened, ground, sliding surface polished | | Series GEP and GEC Carbon chromium steel 100 Cr 6/ 1.3505, hardened, ground, sliding surface of series GEP hard chromium plated | | |
| | | Outer ring | | C design Sinter bronze composite moulded around the inner ring, with a butt joint CJ2 design Unhardened free cutting steel with sliding sleeve of sinter bronze composite pressed around the inner ring, without a butt joint. | | TXA and TXE designs Through hardened and ground steel TXA: split two-piece, held together by one or two steel bands TXE: fractured at one point TXG3A design Stainless steel X 46 Cr 13/1.4034, hardened, ground, split two-piece, held together by one steel band TXGR design d < 17 mm: unhardened stainless steel X 22 CrNi 17/1.4057, pressed over the inner ring, no butt joint d > 20 mm: hardened stainless steel X 46 Cr 13/1.4034, hardened, ground, fractured at one position | | Series GEP and GEC Series GEP: unhardened heat treatable steel C35/1.0501, ground, radially split. A liner of glass fibre reinforced plastic containing PTFE is glued in position in each outer ring half. Series GEC: Unhardened heat treatable steel C35/1.0501, ground. With sliding discs made of glass fibre reinforced plastic containing PTFE held by a cage made of unhardened steel C35/1.0501, which is pinned and screwed together with the outer ring. | | |
| | | Operating temperature range | | Permissible: -50 to +180 °C For short periods: to +280 °C | | Bearings without seals: Permissible: -50 to +150 °C Sealed bearings: Permissible: -30 to +130 °C RS -25 to +120 °C LS | | Permissible: -40 to +75 °C For short periods: to +110 °C | | |
| | | Lubrication To enhance sealing and protect against corrosion the free space in the housing may be filled with grease | | The bearings must not be lubricated | | Occasional relubrication is beneficial and extends service life | | |