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Timken’s four-row cylindrical roller bearings are designed for the rigors of daily use in applications where moderate and high speeds, high radial loads, elevated temperatures and debris are constant challenges. Designed with well-balanced cross sections, these bearings provide high-radial-load capacity within the bearing envelope.

The radial internal clearance (RIC) for the bearing assembly must be included when ordering either a) the complete assembly or b) with the inner-ring set. It is advisable to order the inner-ring set independent of the outer ring set when the final grind of the inner-ring O.D. is accomplished after mounting on the roll neck.
Four-Row Cylindrical Roller Bearing
Four-Row Cylindrical Roller Bearing - RY-6-2
Unit of Measure
Items Four-Row Cylindrical Roller Bearing
145RYL1452
Cylindrical Roller Radial Bearings - Four-Row
Four-Row Cylindrical Roller Bearing
145RYL1452W30BC3
Cylindrical Roller Radial Bearings - Four-Row
Four-Row Cylindrical Roller Bearing
145RYL1452W30BC4
Cylindrical Roller Radial Bearings - Four-Row
Four-Row Cylindrical Roller Bearing
160RYL1468
Cylindrical Roller Radial Bearings - Four-Row
Four-Row Cylindrical Roller Bearing
160RYL1467
Cylindrical Roller Radial Bearings - Four-Row
Bore d N/A 145 mm N/A 145 mm N/A 145 mm N/A 160 mm N/A 160 mm
O.D. D N/A 225 mm8.8583 in N/A 225 mm8.8583 in N/A 225 mm8.8583 in N/A 230 mm9.0551 in N/A 230 mm9.0551 in
Width B N/A 156 mm6.1417 in N/A 156 mm6.1417 in N/A 156 mm6.1417 in N/A 130 mm5.1181 in N/A 168 mm6.6142 in
Width C N/A 156 mm6.1417 in N/A 156 mm6.1417 in N/A 156 mm6.1417 in N/A 130 mm5.1181 in N/A 168 mm6.6142 in
DUR/DOR F/E N/A 169 mm6.6535 in N/A 169 mm6.6535 in N/A 169 mm6.6535 in N/A 180 mm7.0866 in N/A 179 mm7.0472 in
Static Load Rating Co N/A 1832000 N412000 lbf N/A 1832000 N412000 lbf N/A 1832000 N412000 lbf N/A 856000 N192400 lbf N/A 2224000 N500000 lbf
Dynamic Load Rating C11 N/A 1100000 N248000 lbf N/A 1100000 N248000 lbf N/A 1100000 N248000 lbf N/A 135200 N30440 lbf N/A 1188000 N268000 lbf
Chamfer rsmin N/A 2 mm0.08 in N/A 2 mm0.08 in N/A 2 mm0.08 in N/A 1.5 mm0.06 in N/A 2 mm0.08 in
Chamfer r1smin2 N/A 2 mm0.080 in N/A 2 mm0.080 in N/A 2 mm0.080 in N/A 1.5 mm0.060 in N/A 2 mm0.080 in
Angle of Chamfer r1smin N/A 0 º N/A 20 º N/A 0 º N/A 0 º N/A 0 º
Backing Shaft Diameter ds N/A 164.2 mm6.4600 in N/A 164.2 mm6.4600 in N/A 164.2 mm6.4600 in N/A 174.6 mm6.8700 in N/A 174.5 mm6.8700 in
Backing Housing Diameter Ds N/A 205 mm8.0700 in N/A 205 mm8.0700 in N/A 205 mm8.0700 in N/A 216 mm8.5000 in N/A 211 mm8.310 in
Lubrication Groove g N/A 0 mm0 in
Lubrication Hole Diameter h N/A 0 mm0 in
Number of Lubrication Holes N/A 0
Weight N/A 22.8195 Kg50.710 lb N/A 22.8195 Kg50.710 lb N/A 22.8195 Kg50.710 lb N/A 16.65 Kg37 lb N/A 22.86 Kg50.80 lb
Inner-Ring Set N/A 145ARVSL1452 N/A 145ARVSL1452 N/A 145ARVSL1452 N/A 160ARVSL1468 N/A 160ARVSL1467
Outer-Ring Set N/A 169RYSL1452 N/A 169RYSL1452 N/A 169RYSL1452 N/A 180RYSL1468 N/A 179RYSL1467
Type N/A RY-6
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.