double row spherical roller bearing Seal on both side, self aligning advanced technology GB/T307 ... /ISO492/DIN635 Wafangdian Double-row spherical roller bearing with seal on both sides 23052-2CS5/VT143d=260 mmD=400 ... :from id 100 mm to OD 1600 mm(3) series:23900, 23000,23100,23200,24000,24100,21300,22200,22300( ... bearings12. Slewing bearings Double row spherical roller bearing with seal on both sides