Page 250 - needle bearings

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

Metric series

Type KRT
Type RTʝʝX
Type KRTʝʝLL
Type KRTʝʝXLL

Type KRV
(Full-complement roller type)

D 16ʙ90mm

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) 6 500 9 350 665 955
0
19 11 8 ʵ0.015 10 32 20 M 8ʷ1.25 10 0.6 14 M4ʷ0.7 2) 7 450 11 700 760 1 190
0
22 12 10 ʵ0.015 12 36 23 M10ʷ1.25 12 0.6 17 M4ʷ0.7 8 200 14 000 840 1 420
0
26 12 10 ʵ0.015 12 36 23 M10ʷ1.25 12 0.6 17 M4ʷ0.7 8 200 14 000 840 1 420
0
30 14 12 ʵ0.018 15 40 25 M12ʷ1.5 13 0.6 23 M6ʷ0.75 12 000 20 300 1 230 2 070
0
32 14 12 ʵ0.018 15 40 25 M12ʷ1.5 13 0.6 23 M6ʷ0.75 12 000 20 300 1 230 2 070
0
35 18 16 ʵ0.018 18 52 32.5 M16ʷ1.5 17 0.8 27 PT!/8 17 600 34 000 1 790 3 500
0
40 20 18 ʵ0.018 22 58 36.5 M18ʷ1.5 19 0.8 32 PT!/8 19 400 42 000 1 980 4 250
0
47 24 20 ʵ0.021 25 66 40.5 M20ʷ1.5 21 0.8 37 PT!/8 28 800 61 000 2 940 6 250
0
52 24 20 ʵ0.021 25 66 40.5 M20ʷ1.5 21 0.8 37 PT!/8 28 800 61 000 2 940 6 250
0
62 29 24 ʵ0.021 30 80 49.5 M24ʷ1.5 25 0.8 44 PT!/8 39 500 98 500 4 000 10 000
0
72 29 24 ʵ0.021 30 80 49.5 M24ʷ1.5 25 0.8 44 PT!/8 39 500 98 500 4 000 10 000
0
80 35 30 ʵ0.021 38 100 63 M30ʷ1.5 32 1 53 PT!/8 58 000 147 000 5 900 15 000
0
90 35 30 ʵ0.021 38 100 63 M30ʷ1.5 32 1 53 PT!/8 58 000 147 000 5 900 15 000

Note 1) The dimensional tolerances for the outer ring outer diameter D of Type KRVTŋŋŋŋX and KRVTŋŋŋŋXLL 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-188