KOYO NNU48/630 cylindrical roller bearings

Number of Bearings:Double; RoHS:6; Bearing Material:52100 Bearing Steel; Cover Type Selection:N (Standard Cover); Housing Material:1045 Carbon Steel; Type:Angular Contact Bear; Number of Bearings:Double; Bearing Retained:No; Volume Discount:Available; Width T(mm):225;

Y - ISO Factor3:1.35; Cg - Geometry Factor:0.0678; Cup Part Number:LM78310A; Da - Cup Frontface Backing Diameter:2.34 in; Series:LM78300; Db - Cup Backface Backing Diameter:2.13 in; r - Cup Backface To Clear Radius1:0.06 in; Design Units:Imperial; C - Cup Width:0.5354 in; D:2.4399 in;

ra (max):2.5 mm; Limiting Speed - Grease:3,000 rpm; Enclosure:Open; da (min):109 mm; Bore Type:Cylindrical Bore; Roller Profile:Symmetric; Da (max):186 mm; Configuration:Double Row; Radial Clearance:0.100 to 0.135 mm; Constant e:0.23;

Clearance sign:CN (standard); O.D.(Ø):32; Size Standards:Metric System; Outer Ring:With Outer Ring; Special Configurations Code:No; I.D.(Ø):12; Rolling Element Material:[Steel] Steel; Precision Grade Symbol:P5; RoHS:6; Outer Ring Shape:Flat;

Dimension E:4.38 in; Weight:11.0 lb; Dimension L Exp:3.26 in; Dimension M:1.87 in; Dimension D:4.750 in; UPC Code:0883450018401; Housing Style:Four-Bolt Square Fla; Dimension F:5.500 in; Shaft Size Type:Metric; Dimension C:2.88 in;

Bearing Unit, Type:Square flange shape; Rolling Element Material:Bearing Steel; Bearing Inner Dia. Shape:Cylindrical Bore Set; Rolling Element Material:Bearing Steel; Surface Treatment:No; Unit, Type:Insert Bearing Unit; d:15; Fit:J7; Stroke:No; Grease Type:Standard Grease;

C:60 mm; Weight:69.60 Kg; t:9 mm; Locknut:HM3176; Lockwasher and Lockplates:MS3176; D3:490 mm; L1:310.00 mm; d1:360.00 mm; Appropriate Hydraulic Nut:HMV76; G:Tr380x5;

Bearing Unit, Type:Square flange shape; Rolling Element Material:Bearing Steel; Bearing Inner Dia. Shape:Cylindrical Bore Set; Rolling Element Material:Bearing Steel; Surface Treatment:No; Unit, Type:Insert Bearing Unit; d:15; Fit:J7; Stroke:No; Grease Type:Standard Grease;

C0 - Static Load:87200 lb; Dimension C:4.76 in; Pre Install Clearance Max:0.0039 in; Shaft Tolerance:0.0030 in; Weight:23 lb; Dimension J (Bolt Size):0.75 in; Housing Style:Four-Bolt Square Fla; Dimension K:1.44 in; Grease Lubrication - M/N Seal:1400 rpm; Locking Style:Eccentric;

Thickness T(mm):25 ～ 40; Housing Material:1045 Carbon Steel; Bearing I.D. d(mm):12; Seals:ZZ (Double Shield); Days to Ship:8 Days; C Chamfered:Not Provided; Number of Bearings:Double; Bearing Used:Deep Groove Ball Bea; Shape:T-Shaped; Bearing Retained:No;

Bearing Unit, Type:Square flange shape; Rolling Element Material:Bearing Steel; Bearing Inner Dia. Shape:Cylindrical Bore Set; Rolling Element Material:Bearing Steel; Surface Treatment:No; Unit, Type:Insert Bearing Unit; d:15; Fit:J7; Stroke:No; Grease Type:Standard Grease;

Bearing Unit, Type:Square flange shape; Rolling Element Material:Bearing Steel; Bearing Inner Dia. Shape:Cylindrical Bore Set; Rolling Element Material:Bearing Steel; Surface Treatment:No; Unit, Type:Insert Bearing Unit; d:15; Fit:J7; Stroke:No; Grease Type:Standard Grease;

Days to Ship:Quote; Fit:J7; Fit:J7; Rolling Element Material:Bearing Steel; Bearing Unit, Type:Diamond Flange Shape; Diameter series symbol:For Heavy Load; Machining:No; Surface Treatment:No; Bearing Unit, Type:Diamond Flange Shape; d:55;

Bearing Unit, Type:Square flange shape; Rolling Element Material:Bearing Steel; Bearing Inner Dia. Shape:Cylindrical Bore Set; Rolling Element Material:Bearing Steel; Surface Treatment:No; Unit, Type:Insert Bearing Unit; d:15; Fit:J7; Stroke:No; Grease Type:Standard Grease;