Page 228 - needle bearings
P. 228
Roller followers : Yoke type truck rollers (sealed type)
NTN
Metric series
Type NA22ʝʝLL
Type RNA22ʝʝLL
Type NA22ʝLL Type RNA22ʝLL
(With inner ring) (Without inner ring)
D 19ʙ90mm
Boundary dimentions Basic load ratings Load ratings of truck
dynamic static dynamic static
mm N kgf N kgf
D B C d Fw e F rs min 1)
0
ʵ0.05 Cr Cor Cr Cor
19 ʴ0.022
ʴ0.013
ʴ0.027
24 ʴ0.016
ʴ0.027
30 ʴ0.016
ʴ0.027
32 ʴ0.016
ʴ0.033
35 ʴ0.020
ʴ0.033
40 ʴ0.020
ʴ0.033
47 ʴ0.020
ʴ0.033
52 ʴ0.020
ʴ0.041
62 ʴ0.025
ʴ0.041
72 ʴ0.025
ʴ0.041
80 ʴ0.025
ʴ0.049
85 ʴ0.030
ʴ0.049
90 ʴ0.030
Note 1) Allowable minimum chamfer dimension r.
2) For bearing with cylindrical outer surface, the nominal bearing is followed by "X". In this case, the bearing is manufactured with outer ring diameter tolerance
conforming to JIS Class-0. Ex. NA2203XLL
B-166