Martin Bearing MaintenanceBearing Suffixes T - Z
Bearing Suffixes: A - B :: C :: D - F :: G - K :: L - N :: P - S :: T - Z
| T | Window-type cage of fabric reinforced Phenolic resin, rolling element centered |
| Window-type cage of fabric reinforced Phenolic resin, outer ring centered | |
| Window-type cage of fabric reinforced Phenolic resin, inner ring centered | |
| Set of three matched single row deep groove or angular contact ball bearings; two bearings arranged back-to-back and the third in tandem | |
| Set of three matched single row deep groove or angular contact ball bearings; two bearings arranged face-to-face and the third in tandem | |
| Snap-type cage of fabric reinforced Phenolic resin, rolling element centered | |
| Injection molded cage of Polyamide 66, rolling element centered; for needle roller bearings, the cage is glass fiber reinforced | |
| Injection molded cage of glass fiber reinforced Polyetheretherketone (PEEK), rolling element centered | |
| Injection molded cage of glass fiber reinforced Polyetheretherketone (PEEK), outer ring centered | |
| Injection molded cage of glass fiber reinforced Polyamide 66, rolling element centered | |
| Three single row deep groove ball or cylindrical roller bearings, matched to give equal distribution of radial load | |
| Set of three matched single row deep groove or angular contact ball bearings arranged in tandem | |
| U |
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| Special tolerance class for machine tool spindle bearings; dimensional accuracy approximately to ISO tolerance class 4 and running accuracy better than ISO class 4 | |
| V | Full complement bearing (without cage) |
| V combined with a second letter, identifies a variant group, and followed by a three- or four-figure number denotes variants not covered by "standard" designation suffixes. Examples: VA Application oriented variants VB Boundary dimension deviations VE External or internal deviations VL Coatings VQ Quality and tolerances other than standard VS Clearance and pre-load VT Lubrication VU Miscellaneous applications | |
| Bearing for high-temperature applications (e.g. kiln trucks) | |
| Bearing for high-temperature applications | |
| Bearing for high-temperature applications | |
| Bearing for high-temperature applications | |
| Bearing for traction motors | |
| Bearing for traction motors + special inspection routines | |
| Bearing for traction motors with aluminium oxide coated outside surface of outer ring for electrical resistance up to 1 000 V DC | |
| Bearing for railway axle-boxes according to EN 12080:1998 | |
| Bearing for railway axle-boxes | |
| Bearing for railway axle-boxes according to EN 12080:1998 | |
| Bearing for vibratory applications | |
| Bearing for vibratory applications with special PTFE bore coating | |
| Bearing for paper machines | |
| Bearing for railway axle-boxes according to EN 12080:1998 | |
| Bearing with specially debris-heat-treated components for applications in heavily contaminated environments | |
| CARB bearing modified for greater axial displacement | |
| Shaft washer with three equally spaced threaded holes in one side face to accommodate hoisting tackle | |
| Outer ring with three equally spaced threaded holes in one side face to accommodate hoisting tackle | |
| Outer ring with three equally spaced threaded holes in both side faces to accommodate hoisting tackle | |
| Housing washer with three equally spaced threaded holes in one side face to accommodate hoisting tackle | |
| Surface-hardened pressed steel cage | |
| Full complement cylindrical roller bearing with self-retaining roller set | |
| Inner ring raceway of cylindrical and needle roller bearings pre-ground only, for cylindrical roller bearings replaced by /VU001 | |
| VL0241 | Aluminium oxide coated outside surface of outer ring for electrical resistance up to 1 000 V DC |
| Aluminium oxide coated outside surface of inner ring for electrical resistance up to 1 000 V DC | |
| Inner ring with crowned raceway for increased permissible misalignment | |
| Running accuracy better than C08 | |
| Extreme pressure grease with a lithium thickener of consistency 2 to the NLGI Scale for a temperature range –20 to +110 °C (normal fill grade) | |
| Food grade grease with an aluminium thickener of consistency 2 to the NLGI Scale for a temperature range –25 to +120 °C (normal fill grade) | |
| Pre-ground raceways | |
| W | Without annular groove and lubrication holes in outer ring |
| Grease fill for low as well as high temperatures (e.g. –40 to +160 °C). WT or a two-figure number following WT identifies the actual grease. An additional letter or letter/ figure combination as mentioned under “HT†identifies filling degrees other than standard. Examples:
| |
| Three lubrication holes in the outer ring | |
| Six lubrication holes in the inner ring | |
| Annular groove and three lubrication holes in the outer ring | |
| Annular groove and six lubrication holes in the outer ring | |
| Six lubrication holes in the inner ring and annular groove and three lubrication holes in the outer ring | |
| Six lubrication holes in inner ring and three lubrication holes in outer ring | |
| Solid Oil filling | |
| Plugged W33 lubrication holes | |
| X |
|
| Y | Pressed brass cage, rolling element centered; different designs or material grades are identified by a figure following the Y, e.g. Y1 |
| Z |