TIMKEN 3977-50000/3920-50000 Tapered Roller Bearing Assemblies

Type:Ball; Precision:Grade 5; Basic Dynamic Load Rating(N):9400; Types:16**/6*** series; Specifications/Environment:Standard / Dust Proo; Max. Allowed rpm(rpm):11000; Days to Ship:Quote; Accuracy Symbol:P5; Inner/Outer Ring Material:Steel; Size Standards:Metric System;

C:52.5 kN; A1:16 mm; Designation of bearing:US212-39G2; d:61.91 mm; A:50.4 mm; e:31 mm; L:138 mm; Weight:3.5 kg; C0:32.8 kN; T max.:100 °C;

T max.:100 °C; d:25 mm; e:16 mm; C0:11.5 kN; Designation of housing:F305-; Recommended tightening torque for set screw:5.5 Nm; G:M6x1; A2:39 mm; Designation of bearing:UC305G2L3; S:15 mm;

T min.:-20 °C; Designation of housing:P212N-; H1:25 mm; S:14.9 mm; L1:70 mm; L:241 mm; d:61.91 mm; Recommended tightening torque for set screw:16.8 Nm; C0:32.8 kN; s1:26.85 mm;

Maximum Speed:3940 rpm; Note:This product line wa; Bearing UPC:013992030030; Dimension R:1.1 in; Shaft Size:55 mm; Bearing - Housing - Seal:LSM55BRH; Ca - Axial Load Rating:1213.95 lbf; Tensioning Unit Type:Tension Type; Dimension X:0.9 in; Dimension H:1.3 in;

L:60 mm; T min.:-20 °C; G:M6x1; H:113 mm; Weight:0.59 kg; Dz:54 mm; Z:46.2 mm; s1:30.5 mm; J:90 mm; B1:43.5 mm;

Series Type:Light Series; Dimension J2 :9-7/8 in; Bearing UPC:013992026019; Cr - Dynamic Load Rating:31041 lbf; Seal Type:Aluminium Triple Lab; Pillow/Plummer Block Style:Split Cylindrical Ho; Dimension K :2-1/8 in; Dimension H2:7.95 in; Housing Width:4.5 in; Support Type:Four-Bolt Plummer

Characteristic cage frequency, FTF:0.44 Hz; rs min:2.1 mm; Characteristic outer ring frequency, BPF0:10.65 Hz; D1:249 mm; Brand:SNR; e:0.31; b:11.8 mm; Fatigue limit load, Cu:109 kN; k:5 mm; d2:202.4 mm;

G:M6x1; A1:20 mm; E:16 mm; T min.:-20 °C; A:38 mm; s1:15.5 mm; N:M8; Designation of open end cover:SCOU204-12; L:70 mm; C0:6.65 kN;

L Dimension Tolerance:Negative Tolerance; Application:For Outer Ring; O.D. D(φ):8; Application:For Outer Ring; RoHS:6; L(mm):1 ～ 50; Material:5052 Aluminum Alloy; Days to Ship:7 Days;

Number of Raceway Ring Rows:Single Row; Outer Ring:With Outer Ring; Types:No; Clearance sign:CN (standard); Symbol of Bearing Ring Shape:No; Retainer Type:Punching; Low Torque Specification:No; Internal Symbol:No; Internal Symbol:No; Torque Symbol:No;

Specifications, Environment:Standard; Special Configurations Code:No; RoHS:6; Combination symbol:No; Acoustic Symbol:No; Internal Symbol:No; Symbol of Bearing Ring Shape:No; Outer Ring Shape:Flat; Max. Allowed rpm(rpm):32000; Rolling Element Material:[Steel] Steel;

B:68; Accuracy(Class):Class 0; Size Standards:Metric System; Material Symbol:No; Combination symbol:No; Days to Ship:Quote; Low Torque Specification:No; Clearance sign:CM; Basic Dynamic Load Rating(N):278000; Outer Ring Shape:Flat;

d:15 mm; Max operating temperature, Tmax:120 °C; f0:12.7; Dynamic load, C:7.75 kN; rs min:0.6 mm; Characteristic rolling element frequency, BSF:3.68 Hz; ra max:0.6 mm; Min operating temperature, Tmin:-20 °C; Brand:NTN; Characteristic outer ring frequency, BPF0:2.61 Hz;

dc min:61 mm; d1:58.9 mm; Characteristic rolling element frequency, BSF:5.79 Hz; rs min:1.1 mm; Characteristic outer ring frequency, BPF0:6.24 Hz; B:23 mm; r1s min:1.1 mm; Brand:NTN; Characteristic cage frequency, FTF:0.42 Hz; Da max:78.5 mm;