Page 248 - needle bearings

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

Metric series

Type KRT
Type KRTʝʝX
Type KRTʝʝLL
Type KRTʝʝXLL

Type KRT
D 16ʙ90mm (With cage)

Boundary dimensions Basic load ratings
dynamic static dynamic static
mm N kgf
D 1) C d1 F B1 B2 G G1 C1 e m Cr Cor Cr Cor
0
16 11 6 ʵ0.012 8 28 16 M 6ʷ1 8 0.6 12 M4ʷ0.7 2) 4 050 4 200 415 430
0
19 11 8 ʵ0.015 10 32 20 M 8ʷ1.25 10 0.6 14 M4ʷ0.7 2) 4 750 5 400 480 555
0
22 12 10 ʵ0.015 12 36 23 M10ʷ1.25 12 0.6 17 M4ʷ0.7 5 300 6 650 540 680
0
26 12 10 ʵ0.015 12 36 23 M10ʷ1.25 12 0.6 17 M4ʷ0.7 5 300 6 650 540 680
0
30 14 12 ʵ0.018 15 40 25 M12ʷ1.5 13 0.6 23 M6ʷ0.75 7 850 9 650 800 985
0
32 14 12 ʵ0.018 15 40 25 M12ʷ1.5 13 0.6 23 M6ʷ0.75 7 850 9 650 800 985
0
35 18 16 ʵ0.018 18 52 32.5 M16ʷ1.5 17 0.8 27 PT!/8 12 200 17 900 1 240 1 830
0
40 20 18 ʵ0.018 22 58 36.5 M18ʷ1.5 19 0.8 32 PT!/8 14 000 22 800 1 430 2 330
0
47 24 20 ʵ0.021 25 66 40.5 M20ʷ1.5 21 0.8 37 PT!/8 20 700 33 500 2 110 3 450
0
52 24 20 ʵ0.021 25 66 40.5 M20ʷ1.5 21 0.8 37 PT!/8 20 700 33 500 2 110 3 450
0
62 29 24 ʵ0.021 30 80 49.5 M24ʷ1.5 25 0.8 44 PT!/8 28 900 55 000 2 950 5 600
0
72 29 24 ʵ0.021 30 80 49.5 M24ʷ1.5 25 0.8 44 PT!/8 28 900 55 000 2 950 5 600
0
80 35 30 ʵ0.021 38 100 63 M30ʷ1.5 32 1 53 PT!/8 45 000 88 500 4 600 9 050
0
85 35 30 ʵ0.021 38 100 63 M30ʷ1.5 32 1 53 PT!/8 45 000 88 500 4 600 9 050
0
90 35 30 ʵ0.021 38 100 63 M30ʷ1.5 32 1 53 PT!/8 45 000 88 500 4 600 9 050

Note 1) The dimensional tolerances for the outer ring outer diameter D of Type KRTŋŋŋŋX and KRTŋŋŋŋXLL with cylindrical outer surface conform to JIS Class -0.
2) A tapped hole is provided at front side only (on left end-face in the above sketch).
B-186