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Product Attributes
Part NumberX30311-Y30311R
TypeBearing
System of MeasurementMetric
Bearing TypeRoller
Roller Bearing TypeTapered Roller
For Load DirectionCombined Radial and Thrust
ConstructionSingle Row
Seal TypeOpen
Cups TypeFlanged
Series30311
Bore Dia55 mm
Bore Dia Tolerance-0.015mm to 0
Outer Dia120 mm
Outer Dia Tolerance-0.018mm to 0
Cone Width29 mm
Cone Width Tolerance-0.15mm to 0
Cup Width25 mm
Cup Width Tolerance-0.2mm to 0
Flange Outer Diameter(D1)127 mm
Cup Flange Width(C1)5.5 mm
Flange Bearing Width(T1)12 mm
Cone Backface ToClear Radius2.5 mm
Cup Backface ToClear Radius2 mm
Cone Frontface Backing Diameter70.1 mm
Cone Backface Backing Diameter71.1 mm
Cup Frontface Backing Diameter113.03 mm
Cage Cone Frontface Clearance3.8 mm
Cage Cone Backface Clearance-0.5 mm
Effective Center Location-6.6 mm
Ring Material52100 Chrome Steel
Roller Material52100 Chrome Steel
Cage MaterialSteel
Dynamic Radial Load39150 lbf
Static Radial Load42750 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90)10147.5 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90)5985 lbf
LubricationRequired
Temperature Range-30° to 110 °C
ABEC RatingABEC-1
Radial ClearanceStandard (Available in C3/C4/C5)
RoHSCompliant
REACHCompliant
Weight3.75 lb
X30311-Y30311R TSF (Single Row Tapered Roller Bearings with Flange) (Metric) consist of a tapered inner ring assembly and an outer ring. They have flanged outer rings so that the housing through-hole can be precisely aligned. X30311-Y30311R bore dia is 55 mm. Its out dia is 120 mm. X30311-Y30311R roller material is Roller_Material. Its seal type is Seal_Bearing. The X30311-Y30311R TSF (Single Row Tapered Roller Bearings with Flange) (Metric) can bear both radial and axial loads with ease and provides...More

X30311-Y30311R TSF (Single Row Tapered Roller Bearings with Flange) (Metric) consist of a tapered inner ring assembly and an outer ring. They have flanged outer rings so that the housing through-hole can be precisely aligned. X30311-Y30311R bore dia is 55 mm. Its out dia is 120 mm. X30311-Y30311R roller material is Roller_Material. Its seal type is Seal_Bearing. The X30311-Y30311R TSF (Single Row Tapered Roller Bearings with Flange) (Metric) can bear both radial and axial loads with ease and provides low friction during operation even under the most severe conditions.

Typical applications include:

Gearing Systems and Transmissions, Thermal Power Coal Transporters, Port Equipment, Rubber and other Industrial applications, Machine Tool Spindles, Gear Reducer, Automotive Drive Axle, Aircraft wheels, Agricultural Wheels, Tensioning Roller, Raking Machine, Construction and Mining Equipment, Railroad Axle-box, etc.

General Selection Factors

Several factors must be considered for choosing tapered roller bearings. These factors include the roller material, design, shields and seals, cage, Annual Bearing Engineering Committee (ABEC) grade, radial clearance, and lubricant, etc.

Aubearing is an ISO certified Chinese bearing manufacturer and supplier. Competitive prices, 1,200,000+ SKU inventory, including internationally renowned brands such as SKF, Timken, Schaeffler (FAG, INA), NSK, KOYO, NTN, McGill, etc. Aubearing has invested in 300+ equipment, heat treatment facilities, lathes, grinders, milling machines, bearing production lines, CMMs, metallographic testers, etc. Leading Time<7 Days, MOQ=1.

Various types of ball bearings and roller bearings, size range: 1mm-2000mm. Including thin section bearings (KAYDON equivalents and 67, 68, 69 series), ceramic bearings, stainless steel bearings, deep groove ball bearings, angular contact bearings, thrust ball bearings, spherical roller bearings, cylindrical roller bearings, needle roller bearings, tapered roller bearings, precision crossed roller bearings, bushings (sleeve bearings), linear bearings, automotive wheel hub bearings and corresponding inch series.

Customization options: material (Gcr15, silicon nitride, silicon carbide, zirconium oxide, aluminum oxide, stainless steel 304, 316, 420, 440, PTFE\PEEK\nylon and other plastics), cage (brass, stamping steel, retainer), lubrication (lubricating oil, grease, high temperature resistance), clearance (C2\CN\C3\C4\C5), seal (nitrile rubber, silicone rubber, fluororubber, polypropylene rubber), shielding, etc.