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D<br />
A<br />
•<br />
<strong>Ball</strong> BeaRIngs<br />
vTU STANDARD SERIES<br />
• Used where shaft adjustment and belt-tightening devices are<br />
required (e.g., conveyor belt applications).<br />
• Provides shaft-aligning B-Type wide inner ring ball bearings<br />
with self-locking collars.<br />
• Provides compact, efficient supports for adjustable shafts and<br />
conveyor take-up pulleys.<br />
• Units are factory prelubricated. A grease fitting is provided for<br />
relubrication if required.<br />
• See preceding pages for take-up frames to fit these units.<br />
Suggested shaft tolerances:<br />
TO ORDER, SPECIFY UNIT AND SHAFT DIAMETER. Example: vTU 3/4’’ or vTU 2 11/16’’. POPULAR SIZES ARE IN BOLD.<br />
Unit Shaft G T S1 A2 A1 A L1 H2 N N2 L2 N1 P L3 H1 H Bearing Collar Housing Unit<br />
Dia. Number Number Number Wt.<br />
mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm kg<br />
in. in. in. in. in. in. in. in. in. in. in. in. in. in. in. in. in. lbs.<br />
VTU 3/4 44.1 20.6 23.4 34.1 13.5 41.3 67.5 57.2 19 31.8 12.7 15.9 33.3 57.2 76.2 92.1 GRA012RRB S1012K T-18832 1.372<br />
VTU 20 1 47/64 13/16 59/64 1 11/32 17/32 1 5/8 2 21/32 2 1/4 3/4 1 1/4 1/2 5/8 1 5/16 2 1/4 3 3 5/8 GRAE20RRB SE20K 3.02<br />
VTU 7/8 GRA014RRB<br />
VTU 15/16 45.2 22.2 23.0 37.3 13.5 44.4 67.5 57.2 19 31.8 12.7 15.9 34.9 57.2 76.2 92.1 GRA015RRB S1015K T-18696 1.458<br />
vTU 1 1 25/32 7/8 29/32 1 15/32 17/32 1 3/4 2 21/32 2 1/4 3/4 1 1/4 1/2 5/8 1 3/8 2 1/4 3 3 5/8 GRA100RRB S1100K 3.21<br />
VTU 25 GRAE25RRB SE25K<br />
VTU 1 1/8 52 25.4 27 38.1 13.5 50.8 72.2 61.9 22.2 36.5 12.7 15.9 41.3 63.5 88.9 104.8 GRA102RRB S1102K T-18694 1.862<br />
vTU 1 3/16 2 1/16 1 1 1/16 1 1/2 17/32 2 2 27/32 2 7/16 7/8 1 7/16 1/2 5/8 1 5/8 2 1/2 3 1/2 4 1/8 GRA103RRB S1103K3 4.10<br />
VTU 30 GRAE30RRB SE30K<br />
VTU 1 1/4 GRA104RRB S1104K<br />
VTU 1 3/8 51.6 22.2 29.4 36.5 13.5 44.5 74.6 63.5 22.2 36.5 12.7 15.9 49.2 69.8 88.9 104.8 GRA106RRB S1106K T-18692 1.953<br />
vTU 1 7/16 2 1/32 7/8 1 5/32 1 7/16 17/32 1 3/4 2 15/16 2 1/2 7/8 1 7/16 1/2 5/8 1 15/16 2 3/4 3 1/2 4 1/8 GRA107RRB S1107K 4.30<br />
VTU 35 GRAE35RRB SE35K<br />
VTU 1 1/2 65 32.5 32.5 44.4 17.5 65.1 88.1 82.6 28.6 49.2 15.9 19 53.3 82.6 100.8 120.6 GRA108RRB S1108KT T-18834 3.192<br />
VTU 40 2 9/16 1 9/32 1 9/32 1 3/4 11/16 2 9/16 3 15/32 3 1/4 1 1/8 1 15/16 5/8 3/4 2 3/32 3 1/4 3 31/32 4 3/4 GRAE40RRB SE40K 7.03<br />
VTU 1 5/8 GRA110RRB S1110K<br />
VTU 1 11/16 65 32.5 32.5 44.4 17.5 65.1 88.1 82.6 28.6 49.2 15.9 19 53.3 82.6 100.8 120.6 GRA111RRB S1111K T-18762 3.009<br />
VTU 1 3/4 2 9/16 1 9/32 1 9/32 1 3/4 11/16 2 9/16 3 15/32 3 1/4 1 1/8 1 15/16 5/8 3/4 2 3/32 3 1/4 3 31/32 4 3/4 GRA112RRB S1112K 6.63<br />
VTU 45 GRAE45RRB SE45K<br />
VTU 1 7/8 65 32.5 32.5 49.2 17.5 65.1 91.3 82.6 28.6 49.2 15.9 19 59.5 85.7 100.8 120.6 GRA114RRB S1114K T-18690 3.342<br />
vTU 1 15/16 2 9/16 1 9/32 1 9/32 1 15/16 11/16 2 9/16 3 19/32 3 1/4 1 1/8 1 15/16 5/8 3/4 2 11/32 3 3/8 3 31/32 4 3/4 GRA115RRB S1115K 7.36<br />
VTU 50 GRAE50RRB SE50K<br />
VTU 2 71.4 34.9 36.5 55.6 27 69.8 119.9 101.6 34.9 63.5 19 31.8 69.1 101.6 129.4 149.2 GRA200RRB S1200K T-18828 5.784<br />
VTU 2 3 /16 2 13 /16 1 3 /8 1 7 /16 2 3 /16 1 1 /16 2 3 /4 4 23 /32 4 1 3 /8 2 1 /2 3 /4 1 1 /4 2 23 /32 4 5 3 /32 5 7 /8 GRA203RRB S1203K 12.73<br />
VTU 55 GRAE55RRB SE55K<br />
D134 TIMKEN PRODUCTS CATALOG<br />
3 /4”- 1 15 /16”, nominal to -.013 mm, -.0005”.<br />
2”- 2 15 /16”, nominal to -.025 mm, -.0010”.<br />
VTU Standard Series<br />
BEARING DATA<br />
Unit Bearing Number Dimensions and Load Ratings<br />
vTU GRA...RRB Page D57<br />
T<br />
G<br />
A1<br />
A3<br />
S1<br />
A