Page 263 - needle bearings
P. 263
Cam followers stud type truck rollers
NTN
Type CRʝLL Type CRʝH
(with cage, sealed type) (with hexagon hole)
Basic load ratings Load ratings of truck Limiting speeds Maximum Bearing numbers Mass
dynamic static dynamic static tightening (approx.)
torque
N kgf N kgf r/min kg
Spherical Cylindrical Spherical Cylindrical grease oil Nŋm kgfŋm Type Type Type
Cr Cor Cr Cor outer ring outer ring outer ring outer ring CRVʝʝX 1) CRVʝʝXLL 1) CRVʝX
2 820 2 450 287 250 2 090 790 213 81 ˞20 000 ˞28 000 2 0.2 CR8T2 ʕ ʕʕʕʕʕ 0.009
2 820 2 450 287 250 2 310 790 235 81 ˞20 000 ˞28 000 2 0.2 CR8-1T2 ʕ ʕʕʕʕʕ 0.010
4 050 4 000 415 405 3 000 1 080 310 110 ˞18 000 ˞25 000 4 0.4 CR10 ʕ ʕʕʕʕʕ 0.020
4 050 4 000 415 405 3 300 1 080 335 110 ˞18 000 ˞25 000 4 0.4 CR10-1 CR10-1LL 0.022
5 300 6 650 540 680 4 600 1 380 470 140 13 000 ˞16 000 13 1.3 CR12 CR12LL 0.037
5 300 6 650 540 680 5 350 1 710 545 174 13 000 ˞16 000 13 1.3 CR14 CR14LL 0.048
7 250 8 350 740 850 7 400 2 060 755 210 12 000 15 000 18 1.9 CR16 CR16LL 0.087
7 250 8 350 740 850 8 350 2 430 850 248 12 000 15 000 18 1.9 CR18 CR18LL 0.100
11 400 15 900 1 160 1 620 11 400 2 840 1 160 290 9 000 13 000 24 2.4 CR20 CR20LL 0.150
11 400 15 900 1 160 1 620 12 500 3 250 1 280 330 9 000 13 000 24 2.4 CR22 CR22LL 0.166
13 300 20 100 1 360 2 120 16 300 3 600 1 660 365 7 500 10 000 51 5.2 CR24 CR24LL 0.235
13 300 20 100 1 360 2 120 17 600 4 050 1 800 410 7 500 10 000 51 5.2 CR26 CR26LL 0.265
20 700 33 500 2 110 3 450 21 600 4 400 2 200 450 6 000 8 000 92 9.3 CR28 CR28LL 0.375
20 700 33 500 2 110 3 450 23 200 4 850 2 360 495 6 000 8 000 92 9..3 CR30 CR30LL 0.420
28 900 55 000 2 950 5 600 31 000 5 300 3 150 540 5 000 6 600 150 15 CR32 CR32LL 0.505
28 900 55 000 2 950 5 600 35 000 6 200 3 550 635 5 000 6 600 150 15 CR36 CR36LL 0.750
Note 2) Grease replenishing hole is provided at front side only (on left side-face in the above sketch). However, in the case with "hexagon hole" no grease
replenishing hole is provided.
Remarks: For the cam follower with ˞marked seal, the allowable running speed is approximately 10 000 r/min.
B-201