Timken Super Precision Bearings for Machine Tool Applications

Tapered Roller Bearings
Timken ® Spring-Rib Bearing (not included in chart below)
• Bearing preload maintained using spring pressure.
• Available in JP5000, JP8500, JP11000 and JP17000 series.
• Ideal choice for applications with relatively constant load and speed.
• Choices of light, medium or heavy preload settings (medium is standard).
• Call for available sizes.
B
Hydra-Rib
Part Number
R
Shaft Radius
mm
in.
Mounting Dimensions
Shaft
Shoulder Dia.
mm
in.
Stiffness
r
Housing Radius K r (10 6 ) F r K a (10 6 ) F a
mm
in.
JP5049PH-JP5017HR 3.0 61.0 1.0 1.18 2.06 0.126 1.25
N/mm
lbs./in.
kN
lbs.
N/mm
lbs./in.
0.12 2.40 0.04 6.77 463 0.721 282
JP5049PH-JP5020HR 3.0 61.0 1.0 1.18 2.06 0.126 1.25
0.12 2.40 0.04 6.77 463 0.721 282
JP5049P-JP5019HR 3.0 61.0 1.0 1.18 2.06 0.126 1.25
0.12 2.40 0.04 6.77 463 0.721 282
JP5049P-JP5020HR 3.0 61.0 1.0 1.18 2.06 0.126 1.25
0.12 2.40 0.04 6.77 463 0.721 282
JP7548P-JP7520HR 3.0 85.0 2.0 1.43 2.31 0.177 1.52
0.12 3.35 0.08 8.14 519 1.01 341
JP7549P-JP7519HR 3.0 85.0 2.0 1.43 2.31 0.177 1.52
0.12 3.35 0.08 8.14 519 1.01 341
JP8548-JP8518HR 3.0 96.0 2.0 1.77 3.01 0.212 1.93
0.12 3.78 0.08 10.1 676 1.21 435
JP8549P-JP8519HR 3.0 96.0 2.0 1.77 3.01 0.212 1.93
0.12 3.78 0.08 10.1 676 1.21 435
JP10048-JP10019HR 3.0 107.0 1.5 1.76 2.95 0.222 1.95
0.12 4.21 0.06 10.0 664 1.27 439
JP10048-JP10019HRA 3.0 107.0 1.5 1.76 2.95 0.222 1.95
0.12 4.21 0.06 10.0 664 1.27 439
JP11035-JP11019HR 3.0 114.0 1.0 2.05 3.41 0.224 2.10
0.12 4.49 0.04 11.7 766 1.28 471
JP11048-JP11019HR 3.0 122.0 1.0 2.05 3.41 0.224 2.10
0.12 4.80 0.04 11.7 766 1.28 471
JP12043P-JP12019HR 3.0 128.0 1.0 2.41 4.20 0.310 2.80
0.12 5.04 0.04 13.8 944 1.77 630
JP12049P-JP12019HR 3.0 132.0 1.0 2.41 4.20 0.310 2.80
0.12 5.20 0.04 13.8 944 1.77 630
JP13043P-JP13016HR 3.0 138.0 1.0 2.78 4.99 0.200 2.50
0.12 5.43 0.04 15.9 1120 1.14 561
kN
lbs.
A
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TIMKEN MACHINE TOOL CATALOG 123