Product Name: Xr678052 Cross Tapered Roller Bearings 330.2X457.2X63.5mm for Nc Vertical Lathe Xr766051, Xr496051 Model NO.: XR678052 Material: Bearing Steel Roller Type: Straight Raceway Sealing Gland: Sealed On Both Sides Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant Standard or Nonstandard: Standard Trademark: YDPB Transport Package: Wooden Case Specification: 330.2x457.2x63.5mm Origin: China HS Code: 8482800000 Product Description Timken XR678052 Cross Roller Bearing 330.2x457.2x63.5mm Tapered Roller Bearing NC Vertical lathe Use Bearing Model No.: XR678052Type: Cross Roller BearingSize: 330.2x457.2x63.5mm(Inner Diameter)d: 330.2mm(Outer Diameter) D: 457.2mm(Thickness /Width) B: 63.5mmXR678052 Cross Roller Bearing exchanged Model NumberXR496051/616093A,XR678052/615661A/PSL912-309A/300XRN50XR766051/615894A/PSL912-308A/0457XRN060/XD.10.0457P5XR820060/615662A/580XRN76/PSL912-304A/XD.10.0580P5XR855053/615659A/0685XRN091/PSL912-305A/XD.10.0686P5XR882055/615895A/0901XRN112/PSL912-306A/XD.10.0902P5XR889058/ BFKB353282/H4A /1028XRN132/PSL912-307A/XD.10.1029P5XR897051/615898A/XD.10.1549PJXR637050,JXR652050,JXR699050Applications "Product Application•Industrial Robotic arm,Reducer drive•Precision Turntable,NC rotary table•Rotation part of Machine tools•Inspection instrument,Medical equipment•Aviation equipment,Military radar etc" ModelMain dimension(mm)Basic dynamic load ratingLimit speed(oil r/m)Weight(kg)Exchange modelInner diameterOuter diameterWidthChamferr(min)Radial Cr(KN)AxialCa(KN)SKFNACHIURBPSLXR490651203.2279.431.751.551.261.48006.5616093A---XR678052330.2457.263.5310012362035615661A300XRN50-PSL912-309AXR766051457.2609.663.5314117852051615894A0457XRN060XD.10.0457P5PSL912-308AXR820060580760805215234300100615662A580XRN76XD.10.0580P5PSL912-304AXR855053685.8914.479.3753270343260150615659A0685XRN091XD.10.0686P5PSL912-305AXR882055901.71117.682.553300395200185615895A0901XRN112XD.10.0902P5PSL912-306AXR8970511549.41828.8101.6351669880500615898A-XD.10.1549P5-JXR637050300400371.56380.172013----JXR652050310425452.582.210264020----JXR69905037049550393.611960030----other precision bearings series available1.YRT rotary table bearings YRT50.....YRT12002. YRTS high speed Axial Radial Load Rotary table bearing YRTS200....YRTS4603. YRTM rotary table bearings with AMO angle measuring system to improve the accurancy. YRTM150.....YRTM4604.ZKLDF serie bi-direction thrust angular contact ball bearings ZKLDF100.....ZKLDF4605.THK (IKO) RB/CRB/CRBC series crossed roller bearings Inner ring rotate bearing id 35mm----1500mm6.THK RE series crossed roller bearings ,Outer ring rotate id 35mm----1500mm7.THK RA thin section crossed roller bearing id 100mm---200mm8.THK SX series crossed roller bearings ,ID 70mm--------500mm9.THK RU Series integrate inner ring and outer ring ,industrial robots use cross roller bearing RU42---RU44510.XU/XSU series cross roller slewing bearing,XU050077---XU300515,XSU080168---XSU09039811.IKO CRBH series integrate inner ring and outer ring cross roller bearing CRBH5013------CRBH2502512.Timken XR/JXR Crossed Tapered Roller Bearings ,used for high speed vertical lathe XR496051---XR,XR678052,XR766051,XR855053,XR882055,XR889058,JXR637050,JXR652050,JXR699050.13.Kaydon Thin section ball bearings KA,KG,KD series.14.Ceramic bearings15.Slewing bearings16.Custom made bearingswww.ydpb-bearings.comwww.yrtbearings.com