Page 249 - 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
30ʙ 35 JIS A-M6F M6ʷ0.75ʷ6R 1M12ʷ1.5ʙ1M16ʷ1.5
40ʙ180 JIS A-PT!/8 PT!/8ʷ7R 1M18ʷ1.5ʙ1M64ʷ3
˞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.

Type KRʝLL
(with cage, sealed type)

Load ratings of truck Limiting speeds Maximum Bearing numbers Mass Stud
tightening torque diameter
N kgf r/min Nŋm kgfŋm Without seal With seal kg mm
grease oil
Spherical Cylindrical Spherical Cylindrical Cylindrical Spherical Cylindrical Spherical
outer ring outer ring outer ring outer ring outer ring outer ring outer ring outer ring (approx.)
1 080 3 400 110 350 ˞19 000 ˞25 000 3 0.3 KRT16 KRT16X KRT16LL KRT16XLL 0.019 6
1 380 4 050 141 415 ˞15 000 ˞20 000 8 0.8 KRT19 KRT19X KRT19LL KRT19XLL 0.031 8
1 690 5 150 172 525 ˞12 000 ˞16 000 14 1.4 KRT22 KRT22X KRT22LL KRT22XLL 0.046 10
2 120 6 100 216 620 ˞12 000 ˞16 000 14 1.4 KRT26 KRT26X KRT26LL KRT26XLL 0.059 10

2 620 7 700 267 785 10 000 ˞13 000 20 2 KRT30 KRT30X KRT30LL KRT30XLL 0.087 12
2 860 8 200 291 835 10 000 ˞13 000 20 2 KRT32 KRT32X KRT32LL KRT32XLL 0.097 12
3 200 11 900 325 1 220 8 000 ˞11 000 52 5.3 KRT35 KRT35X KRT35LL KRT35XLL 0.169 16
3 850 14 500 390 1 480 7 000 9 000 76 7.8 KRT40 KRT40X KRT40LL KRT40XLL 0.248 18

4 700 21 000 480 2 150 6 000 8 000 98 10 KRT47 KRT47X KRT47LL KRT47XLL 0.386 20
5 550 23 300 565 2 370 6 000 8 000 98 10 KRT52 KRT52X KRT52LL KRT52XLL 0.461 20
6 950 34 500 710 3 500 5 000 6 500 178 18 KRT62 KRT62X KRT62LL KRT62XLL 0.790 24
8 050 38 500 820 3 900 5 000 6 500 178 18 KRT72 KRT72X KRT72LL KRT72XLL 1.04 24

9 800 53 000 1 000 5 400 4 000 5 500 360 37 KRT80 KRT80X KRT80LL KRT80XLL 1.55 30
10 400 56 000 1 060 5 750 4 000 5 500 360 37 KRT85 KRT85X KRT85LL KRT85XLL 1.74 30
11 400 59 000 1 160 6 100 4 000 5 500 360 37 KRT90 KRT90X KRT90LL KRT90XLL 1.95 30

Remarks: The allowable running speed of Type KRTŋŋŋŋLL and KRTŋŋŋŋXLL with ˞marked seal is approximately 10 000r/min.

B-187