Sahaviriya Steel IndustriesHRC Plant - Bearings Mapping

Create by

Parinya Sirithamarat / Senior Sale Engineer

Kittisak Surapongraktrakul / Application Engineer

Overall Process

SSI1

Descaling Box

SSI2

Descaling Box

SSI3

Descaling Roller Motor

Descaling Box

SSI4

23230CC/W33/C3 23230CC/W33/C3 6319-C3 NU319ECJ

9 sets in total

Approach Rollers (Descaling Box Reversing Roughing Mill)

SSI5

Approach Rollers (Descaling Box Reversing Roughing Mill)

SSI6

Sector 1Roller No.1-9

Sector 2Roller No.1-9

23230CC/W33/C323230CC/W33/C3

18 sets in total6321-C3

NU321ECJ

Reversing Roughing Mill

SSI7

SSI8

Front MillNo.1-11

23136CC/W33/C323136CC/W33/C3

6321-C3

NU321ECJC3

Feeder RollNo.1-2

Front Mill & Feeder Roll (Descaling Box Reversing Roughing Mill)

23144CC/W3323144CC/W33

6321-C3NU321ECJC3

Vertical Edger (Descaling Box Reversing Roughing Mill)

SSI9

Vertical Edger

Vertical Edger Z-518284.Z33 or

F-802053.TR4-H122AA

Z-518284.Z33 orF-802053.TR4-H122AA

Other Input Bearings : NU2264-EX-M1A-C3: Z-532639.TR2

Estimate Demand LSB in Vertical Edger 4 pcs/ 2 years.(80,000-90,000 EUR)

Feeder (Descaling Box Reversing Roughing Mill)

SSI10

23240CC/W3323240CC/W33

6321-C3

NU321ECJC3

Feeder RollNo.5

Feeder RollNo.3-4

23144CC/W3323144CC/W33

6321-C3NU321ECJC3

Reversing Roughing Mill

SSI11

M-21106-B

Work Roll : F-802203.TR4-H122AAZ-513363.TR1NA95500/95927CD

Estimate Demand LSB in Roughing Mill 4 pcs/ 2 years.(60,000-65,000 EUR)

Feeder (Reversing Roughing Mill Coil Box)

SSI12

23240CC/W33

23240CC/W33

6321-C3

NU321ECJC3

Feeder RollNo.6

Feeder RollNo.7-8

23144CC/W33/C323144CC/W33/C3

6321-C3NU321ECJ

Feeder & Rear Work (Reversing Roughing Mill Coil Box)

SSI13

Vertical Edger

Vertical Edger Z-518284.Z33 or

F-802053.TR4-H122AA

Z-518284.Z33 orF-802053.TR4-H122AA

Rear WorkNo.1-11

23136CC/W33/C323136CC/W33/C3

6321-C3NU321ECJC3Feeder Roll

No.9-10

23144CC/W33/C323144CC/W33/C3

6321-C3NU321ECJ

Feeder & Rear Work (Reversing Roughing Mill Coil Box)

SSI14

Feeder RollNo.7-10

23144CC/W33/C323144CC/W33/C3

6321-C3

NU321ECJ

23136CC/W33/C3

23136CC/W33/C3

6321-C3

NU321ECJC3

Rear WorkNo.1-11

Delay Sector (Reversing Roughing Mill Coil Box)

SSI15

Motor

23230CC/W33/C3 23230CC/W33/C3 6321-C3 NU321ECJ

Sector 1: 9 rollers Sector 4: 13 rollersSector 2: 13 rollers Sector 5: 11 rollersSector 3: 13 rollers

59 sets in total

Coil Box and Edge Induction Heater

SSI16

Crop Shear and Finishing Mill

SSI17

Coil Box and Edge Induction Heater – Crop Shear

SSI18

NO roller bearing

24092-MB-R250.270

Finishing Mill (HSM)

SSI19

Work Roll Stand 1-3: F-802012.TR4Thrust Bearing 4-7: Z-531296.02.TR2 Reduction Gear Stand 1-5: Z-546942.ZL

Z-581097.TR2

Reduction Gear Stand 6: Z-581099.TR2

Work Roll Stand 4-7: Z-580921.TR4SThrust Bearing 4-7: Z-568175.TR2

Finishing Mill (HSM)

SSI20

Work Roll Stand 1-3: F-802012.TR4Thrust Bearing 4-7: Z-531296.02.TR2 Reduction Gear Stand 1-5: Z-546942.ZL

Z-581097.TR2

Reduction Gear Stand 6: Z-581099.TR2

Work Roll Stand 4-7: Z-580921.TR4SThrust Bearing 4-7: Z-568175.TR2

Estimate LSB demand of HSM (pcs/2years) ;- 802012 6 pcs (43,860 EUR)- 580921 18 pcs (123,408 EUR)- 568175 13 pcs (35,334 EUR)- 531296 8 pcs (31,856 EUR)

Laminar Flow

SSI21

Laminar Flow

SSI22

Down Coilers

SSI23

Down Coilers

SSI24

Mandrel Down Coilers: 240/530-B-MBZ-514599.TR2

Gearbox Body Mandrel: 240/530-MB-C3Coil Transfer: 23992-B-MB-C3

Double Mandrel Pay-off: 23988-MB23072-MB

Mandrel COB: 23992-B-MBGearbox Mandrel: 23138-E1A-M-C3

23948-MB-C323980-B-MB-C324032-E1-C3NNU4944-S-M-SP-C3

Pay up Mandrel: 23084-B-MBGear Bearing Down Coiler: 527365End Gearbox Body Mandrel: 521229.02.TR2

Bearing Demand by Value & Items

25

Production Output = ~1 MT / Y

We estimate bearing demand = 1 MT/Y x 1 EUR or 1MT/Y x 0.8 EUR

Estimate overall Bearing demand / Y 800,000-1,000,000 EUREstimate overall LSB demand / Y 200,000 EUR

Overall quantity of bearing 965 itemsOverall quantity of Large Size Bearing 52 items

Note : LSB bidding every 2 year.