Timken Super Precision Bearings for Machine Tool Applications

SUPER PRECISION
TSHR STYLE
HYDRA-RIB TM AND SPRING-RIB TM
C
T 1
B
Timken ® Hydra-Rib Bearing
• Precision metric bearing available in any precision class.
• Floating outer ring rib maintains preload using fluid pressure.
• Unique design allows for thermal expansion of spindle while maintaining
desired preload.
• Ideal choice for floating position bearing set.
• Only minor modifications needed on existing spindles to install.
• Speed ratings for Hydra-Rib and Spring-Rib bearings are significantly higher
than standard ribbed-cone designs. Consult the Engineering Section for
greater detail, or contact your Timken representative.
D 1
r
a
C 1
R
d
D
d
Bore
mm
in.
D 1
Flange Dia.
mm
in.
D
Seat Dia.
mm
in.
T 1
Width
mm
in.
C 90
Load Ratings (2)
kN
lbs.
C
Cup Width
mm
in.
C 1
Seat Width
mm
in.
a
Eff. Center (1)
50.000 103.175 104.000 31.000 20.6 66.000 15.000 -13.0
1.9685 4.0620 4.0945 1.2205 4630 2.5984 0.5906 -0.51
50.000 103.175 104.000 31.000 20.6 66.000 15.000 -13.0
1.9685 4.0620 4.0945 1.2205 4630 2.5984 0.5906 -0.51
50.000 103.500 104.000 31.000 20.6 66.000 15.000 -13.0
1.9685 4.0748 4.0945 1.2205 4630 2.5984 0.5906 -0.51
50.000 103.175 104.000 31.000 20.6 66.000 15.000 -13.0
1.9685 4.0620 4.0945 1.2205 4630 2.5984 0.5906 -0.51
75.000 130.000 122.000 22.000 23.1 65.000 10.000 -10.2
2.9528 5.1181 4.8031 0.8661 5190 2.5591 0.3937 -0.40
75.000 130.000 122.000 22.000 23.1 65.000 10.000 -10.2
2.9528 5.1181 4.8031 0.8661 5190 2.5591 0.3937 -0.40
85.000 148.000 140.000 23.500 30.1 66.000 10.000 -9.1
3.3465 5.8268 5.5118 0.9252 6760 2.5984 0.3937 -0.36
85.000 148.000 140.000 23.500 30.1 66.000 10.000 -9.1
3.3465 5.8268 5.5118 0.9252 6760 2.5984 0.3937 -0.36
95.000 158.000 145.000 21.000 29.5 70.000 10.000 4.3
3.7402 6.2205 5.7087 0.8268 6640 2.7559 0.3937 0.17
95.000 158.000 145.000 21.000 29.5 70.000 10.000 4.3
3.7402 6.2205 5.7087 0.8268 6640 2.7559 0.3937 0.17
100.000 178.000 170.000 27.000 34.1 70.000 12.000 10.4
3.9370 7.0079 6.6929 1.0630 7660 2.7559 0.4724 0.41
110.000 178.000 170.000 27.000 34.1 70.000 12.000 10.4
4.3307 7.0079 6.6929 1.0630 7660 2.7559 0.4724 0.41
115.000 190.000 180.000 26.000 42.0 70.000 12.000 -7.1
4.5276 7.4803 7.0866 1.0236 9440 2.7559 0.4724 -0.28
120.000 190.000 180.000 26.000 42.0 70.000 12.000 -7.1
4.7244 7.4803 7.0866 1.0236 9440 2.7559 0.4724 -0.28
125.000 200.000 190.000 29.000 49.9 72.000 12.000 -7.6
4.9213 7.8740 7.4803 1.1417 11200 2.8346 0.4724 -0.30
(1) Negative value indicates effective center within the width of the inner ring.
(2) The Timken Company life calculations based on 90 million revolutions for L 10 life.
mm
in.
122 TIMKEN MACHINE TOOL CATALOG