Page 259 - needle bearings

Cam followers stud type truck rollers (With recessed slot for screwdriver use and tapped hole)
NTN

Accessories
Nominal Nominal No. Nominal No. of Nominal No. of
number of of threaded plug with applied hexagon nut
applied bearing grease nipple hexagon socket
30 JIS A-M6F M6ʷ0.75ʷ6R 1M12ʷ1.5
35ʙ180 JIS A-PT!/8 PT!/8ʷ7R 1M16ʷ1.5ʙ1M64ʷ3
˞Table 3 on B-179 and Table 5-2 on B-180 shows the respective
ɹboundary dimensions of grease nipple and threaded plug with
ɹhexagon socket.

Load ratings of truck Limiting Maximum Bearing numbers Mass Stud
speeds tightening torque diameter
N kgf r/min Nŋm kgfŋm kg mm
Cylindrical Spherical
Spherical Cylindrical Spherical Cylindrical
outer ring outer ring outer ring outer ring grease outer ring outer ring (approx.)
2 620 7 700 267 785 6 900 20 2 NUKRT30 NUKRT30X 0.088 12
3 200 11 900 325 1 220 5 500 52 5.3 NUKRT35 NUKRT35X 0.165 16
3 850 14 500 390 1 480 4 700 76 7.8 NUKRT40 NUKRT40X 0.242 18
4 700 21 000 480 2 150 4 000 98 10 NUKRT47 NUKRT47X 0.380 20

5 550 23 300 565 2 370 3 300 98 10 NUKRT52 NUKRT52X 0.450 20
6 950 34 500 710 3 500 2 900 178 18 NUKRT62 NUKRT62X 0.795 24
8 050 38 500 820 3 900 2 400 178 18 NUKRT72 NUKRT72X 1.01 24
9 800 53 000 1 000 5 400 2 100 360 37 NUKRT80 NUKRT80X 1.54 30

11 400 59 000 1 160 6 100 2 100 360 37 NUKRT90 NUKRT90X 1.96 30
13 000 79 000 1 300 8 050 2 000 630 65 NUKRT100 NUKRT100X 3.08 36
16 400 113 000 1 670 11 500 1 700 1 020 105 NUKRT120 NUKRT120X 5.17 42
20 000 152 000 2 040 15 500 1 500 1 540 160 NUKRT140 NUKRT140X 7.98 48

22 000 173 000 2 250 17 600 1 300 1 950 200 NUKRT150 NUKRT150X 9.70 52
24 000 194 000 2 450 19 800 1 200 2 480 250 NUKRT160 NUKRT160X 11.7 56
26 000 218 000 2 650 22 200 1 100 3 030 310 NUKRT170 NUKRT170X 13.9 60
27 900 253 000 2 840 25 800 1 000 3 670 375 NUKRT180 NUKRT180X 17.0 64

B-197