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Spare Parts For Rolling Mill

 BEARING

 
DEEP GROOVE BALL BEARING
ID:10mm～1320mm
OD: 30mm～1600mm
Width: 9mm～300 mm
 
CYLINDRICAL ROLLER BEARING
ID:25mm～1900mm
OD: 52mm～2300mm
Width: 13mm～400 mm
 
TAPERED ROLLER BEARING
Single row tapered roller bearings 
ID: 20mm～1270mm
OD: 40mm～1465mm
Double row tapered roller bearings 
ID: 38mm～1560mm
OD: 70mm～1800mm
Four row tapered roller bearings 
ID: 130mm～1600mm
OD: 200mm～2000mm
 
FORGED AND CAST ROLL
 
FORGED STEEL ROLL
 
Dia.: 1500 mm Max
Length: 8200mm max
Weight: 35 tons max.
Material: Cr2, Cr3, Cr5, 70Cr3Mo, 9Cr2 Mo, 42CrMo, semi-steel and high-speed steel 
Used for: IMR (Intermediate Roll),Cold Rolling Mills Roll,Skin Pass Roll,4HI / 6HI Mill Roll Work roll for 4-Hi Cold rolled mill and tandem mills.
BUR(Back-up Roll) and etc.
 
CAST IRON STEEL ROLL
 
Diameter: 1300 mm Max
Length: 4000mm max
Material: 60CrMnMo, 65CrNiMo, 60CrNiMo, 70Mn2. 70Mn2Mo,75CrNiMnMo, 75CrMo, 140CrNiMo, 160CrNiMo, 180CrNiMo, 190CrNiMo and etc.
Used for: 
1. Work roll of hot strip mill
2. Back-up Roll
3. Common mill roll and etc.
 
ROLL RING
 
Carbide roll ring and composite roll ring: 
O.D: 100-550mm 
Thickness: 90-190mm
 
Application Hardness (HRA) Transverse rupture strength(N/mm2) Compressive strength
For the last two rolling stands of finishing mill 86.5 2800 3900
For rolling stands of finishing mill located in middle 84.5 2650 3500
For rolling stands of finishing mill located in middle 83.5 2580 3300
For first three rolling stands of finishing mill 82 2580 3100
For rolling small size rebar in high speed wire rod mill or the last two rolling stands of finishing mill. 87 2580 4050
 
ROLL TABLE IN ROLLING LINE
 
Roll table in rolling line:
Diameter of roll:  Ф100-500mm Length of roll: 500-5500mm
 
GUIDE
 
Size (mm)
Model A B C D E F R H J K
25 280 130 102 95 84 84 25 51 80 54
30 280 130 102 95 84 84 25 51 80 54
35 340 170 130 125 90 90 35 65 80 68
40 340 170 130 125 90 90 40 65 80 68
55 370 200 160 160 110 110 55 95 80 72
75 390 230 258 169 175 110 75 110 80 90
Entry roller guide                              
 
Exit roller guide

 

Model Size (mm)
L H H1 H2 off-set F F1 ΦMAX R
RTO-0B 245 80 155 ＋6 120 66 78 45
RTO-1B 410 85 191 ＋20 164 89.5 130 70
RTO-2B 534 120 272 ＋30 230 115 180 108
RTO-3B 640 150 334 ＋30 290 141 250 130
RTO-4B 669 175 375 ＋40 330 161 204 160
RTO-5B 782 190 485 ＋40 360 190 290 170
 
Static guide                                   
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