NTN BK1212 needle roller bearings

Configuration:Single Row; Radial Clearance:0.120 to 0.170 mm; Inside Ring Outside Diameter:220 mm; Dynamic Load Rating:795,000 N; Da (max):342 mm; Bore Type:Cylindrical Bore; B:72 mm; ra (max):3 mm; dc (min):223 mm; Fillet Radius/Chamfer:4 mm;

Cam Follower Shape:Flat Type; Shaft:Presence; Roller Width B(mm):20; Material:52100 Steel; Unit:Metric System; Tightening Method:With Head Hexagonal; Allowable Rotational Speed(rpm):3500; Cam follower stud diameter G(mm):M18; Cam Follower Type:Standard; Category:Cam Followers;

Dimension M:2.59 in; C0 - Static Load:87200 lb; UPC Code:0883450017701; Dimension G:7.375 in; Pre Install Clearance Min:0.0024 in; Dimension N:1.88 in; Dimension J (Bolt Size):0.75 in; Grease Lubrication - B/C/O Seal:1000 rpm; Dimension SAA:5.18 in; Grease Lubrication - M/N Seal:1400 rpm;

Unit Body Material:Cast Iron; Bearing Unit, Type:Square flange shape; Rolling Element Material:Bearing Steel; Seal:Silicone; Surface Treatment:No; Unit, Type:Insert Bearing Unit; d:55; Basic Load Rating, Dynamic Rating(N):52400; Fit:J7; RoHS:6;

Number of Bearings:Single; Bearing Material:[Steel] Steel; Type:Bearings with Housin; Volume Discount:Available; Bearing I.D. d(mm):12; Flange Shape:Round Type; Bearing Used:Deep Groove Ball Bea; Bearing Retained:Yes (with retaining; Bearing Used:Deep Groove Ball Bea; Seals:ZZ (Double Shield);

Number of Bearings:Double; Bearing Retained:No; Bearing Part Number:6805; Type:Bearings with Housin; Bearing Used:Deep Groove Ball Bea; Housing Material:1045 Carbon Steel; Seals:DD (Contact Rubber S; Width T(mm):35 ～ 70; Flange Shape:Compact Type; Shape:Flanged Pilot Type;

Low Torque Specification:No; Rubugado Symbol:No; Days to Ship:6 Days; Specifications, Environment:Standard; Internal Symbol:No; Clearance sign:C3; Bearing Style:Open Type; Max. Allowed rpm(rpm):2800; Rolling Element Material:[Steel] Steel; Seal, Shield Symbols:No;

Holder Surface Treatment:Black Oxide Coating; Days to Ship:7 Days; Flange Shape:Compact Type; Width T(mm):60; Type:Bearings with Housin; Bearing Used:Deep Groove Ball Bea; Shape:Flanged Pilot Type; Bearing I.D. d(mm):20; Bearing Retained:Yes (with retaining; Number of Bearings:Double;

Size Standards:Metric System; Torque Symbol:No; Material Symbol:No; Days to Ship:8 Days; Special Configurations Code:No; Number of Raceway Ring Rows:Single Row; O.D.(Ø):225; Outer Ring:With Outer Ring; Types:No; Load Direction:Radial;

Number of Bearings:Double; Volume Discount:Available; Type:Bearings with Housin; Bearing Used:Deep Groove Ball Bea; Bearing Material:[Steel] Steel; Width T(mm):30; Bearing Retained:No; Shape:Flanged Pilot Type; Bearing Used:Deep Groove Ball Bea; Bearing Part Number:6700;

Basic Load Rating, Static Rating(kN):33.5; Days to Ship:6 Days or more; Allowable Rotational Speed(rpm):6000; RoHS:6; d:20; Seal:No Seal; Basic Load Rating, Dynamic Rating(kN):20.7; Roller Follower Type:Non-Separable Type; Roller Follower Type:Non-Separable Type; Inner Ring:Presence;

Unit, Type:Bearing unit; Seal:No; Bearing Inner Dia. Shape:Cylindrical Bore Set; Bearing Unit, Type:Square flange shape; Bearing Unit, Type:Square flange shape; Cover Type:Steel plate single c; Surface Treatment:No; Basic Load Rating, Dynamic Rating(N):32500; Lubrication method:Oil-Free Type; Basic

Seals:DD (Contact Rubber S; Bearing Used:Deep Groove Ball Bea; Type:Bearings with Housin; RoHS:6; Volume Discount:Available; Holder Surface Treatment:Not Provided; Width T(mm):30; Number of Bearings:Double; Number of Bearings:Double; Bearing Retained:Yes (with retaining;

Bearing Material:[Steel] Steel; Shape:Flanged Pilot Type; Number of Bearings:Double; Seals:VV (Non-Contact Rubb; Holder Surface Treatment:Clear Anodize; Shape:Flanged Pilot Type; Bearing Used:Deep Groove Ball Bea; RoHS:6; Type:Bearings with Housin; Flange Shape:Square Type;

Y1 - Geometry Factor:2.79; Y2 - Geometry Factor:4.15; Grease Lubrication - B/C/O Seal:1500 rpm; Dimension L Exp:3.63 in; Dimension D:5.50 in; Dimension L Fix:3.55 in; Locking Style:Double Concentric; Dimension B Fix:1.86 in; Weight:16 lb; Oil Lubrication - B/C/O Seal:1500 rpm;