8 mm x 16 mm x 4 mm KOYO 688 deep groove ball bearings

Unit Body Material:Cast Iron; Fit:J7; Grease Type:SH33M; Diameter series symbol:Used for Light load; Stroke:No; Seal:Silicone; Basic Load Rating, Dynamic Rating(N):52400; Bearing Inner Dia. Shape:Tapered hole adapter; Surface Treatment:No; Rolling Element Material:Bearing Steel;

Accessory:With steel plate cov; Bearing Inner Dia. Shape:Cylindrical Bore Set; Seal:Triple seals; Unit Body Material:Cast Iron; Fit:J7; d:75; Diameter series symbol:For Heavy Load; Basic Load Rating, Dynamic Rating(N):113000; RoHS:6; Unit, Type:Insert Bearing Unit;

Specifications:Standard; Clearance sign:No; Precision (JIS):Grade 0; I.D.(Ø):130; Rolling Element Material:Steel; Number of Raceway Ring Rows:Single Row; Holder Symbol:No; Low Torque Specification:No; Symbol of Bearing Ring Shape:No; Symbols of Lubrication Amount:No;

Lw:11.4 mm; Mass:0.03 kg; Characteristic outer ring frequency, BPF0:8.07 Hz; Dw:3 mm; Characteristic inner ring frequency, BPFI:9.93 Hz; Inner ring reference:IR22X26X20; D:34 mm; Fw:26 mm; Characteristic rolling element frequency, BSF:9.56 Hz; C0r:23.4 kN;

Min operating temperature, Tmin:-40 °C; F:89 mm; Brand:NTN; r1s min:2.1 mm; Da max:139 mm; Max operating temperature, Tmax:120 °C; d:70 mm; Characteristic inner ring frequency, BPFI:7.68 Hz; Radial clearance class:CN; ra max:2 mm;

C:25.7 kN; L:110 mm; Dz:80 mm; T min.:-20 °C; C0:15.2 kN; A1:27 mm; H:47.6 mm; G:M6x1; S:17.5 mm; d:34.92 mm;

B:55.6 mm; T max.:200 °C; S:22.2 mm; s1:27.8 mm; d:50.8 mm; A2:33.4 mm; Weight:1.27 kg; Recommended tightening torque for set screw:16.8 Nm; C0:29.2 kN; C:43.55 kN;

Designation of housing:PH204N-; A:40 mm; N:13mm; Weight:0.96 kg; S:12.7 mm; J:95 mm; G:M6x1; A1:22 mm; N1:19 mm; s1:15.5 mm;

C0:11.2 kN; Dz:70 mm; Designation of closed end cover:SCC206; H1:14.5 mm; B:38.1 mm; Designation of bearing:UC206-18G2T20; Weight:1.03 kg; Designation of housing:PLE206N-; C:19.5 kN; N1:24.5 mm;

Shape:Flanged Pilot Type; Number of Bearings:Single; Bearing Used:Deep Groove Ball Bea; Flange Shape:Compact Type; Days to Ship:7 Days; Bearing Used:Deep Groove Ball Bea; Type:Bearings with Housin; Shape:Flanged Pilot Type; Holder Surface Treatment:Black Oxide Coating; Type:Bearings with Housin;

Y2:3.02; Characteristic cage frequency, FTF:0.42 Hz; Radial clearance class:CN; D:310 mm; Brand:SNR; Nlim:1,900 rpm; k:8 mm; Y1:2.03; rs min:4 mm; Max operating temperature, Tmax:200 °C;

Rolling Element Material:Stainless Steel; Basic Load Rating Static Rating(N):385; Basic Load Rating Dynamic Rating(N):820; B:3.5; Size Standard:Metric System; Precision:Grade 0; Size Standard:Metric System; Bearing Ring Shape:Ball; d:8; Outer Ring Type:Flanged;

B1:71.3 mm; SW:5 mm; H:125 mm; Weight:2.49 kg; A:35 mm; Designation of bearing:EX211G2L3; T max.:100 °C; A5:27.7 mm; C0:29.2 kN; B:55.4 mm;

Da max:113 mm; Min operating temperature, Tmin:-20 °C; D:120 mm; Radial rigidity:500 N/µm; d:85 mm; B:18 mm; ra max:1 mm; Characteristic inner ring frequency, BPFI:14.19 Hz; Preload value:0.39 kN; Nlim (oil):16,000 rpm;

L Dimension Tolerance:Positive Tolerance; O.D. D(φ):25; I.D. d(φ):20; Application:For Inner Ring; Material:Low Carbon Steel; Surface Treatment:Black Oxide Coating; Days to Ship:7 Days; Application:For Inner Ring; L(mm):2 ～ 100; RoHS:6;