Page 126 - needle bearings

Machined-ring needle roller bearings
NTN

Without Inner Ring

Type RNA48 C
r
Type RNA49
Type RNA59
Type NK
ПD ПFW

FW 130ʙ220mm

Boundary dimensions Basic load ratings Limiting speeds Bearing Abutment Mass
dynamic static dynamic static numbers dimensions
mm N kgf r/min mm kg
grease oil Da ras
Fw D C rs min 1) Cr Cor Cr Cor max max (approx.)
130 +0.068 150 40 1.1 116 000 283 000 11 800 28 800 2 100 3 100 NK130/40 143.5 1 0.98
+0.043
165 45 1.1 180 000 380 000 18 300 38 500 2 000 3 000 RNA4924 158.5 1 1.86
+0.068
135 +0.043
165 60 1.1 245 000 525 000 25 000 53 500 2 000 3 000 RNA5924 158.5 1 2.67
165 35 1.1 118 000 305 000 12 100 31 000 1 900 2 800 RNA4826 158.5 1 0.95
+0.068
145 +0.043 170 32 1.5 111 000 238 000 11 300 24 300 1 900 2 800 NK145/32 162.5 1.5 1.12
170 42 1.5 153 000 360 000 15 600 36 500 1 900 2 800 NK145/42 162.5 1.5 1.49

+0.068 180 50 1.5 202 000 455 000 20 600 46 500 1 800 2 700 RNA4926 172 1.5 2.21
150 +0.043
180 67 1.5 294 000 685 000 30 000 70 000 1 800 2 700 RNA5926 172 1.5 3.21
175 35 1.1 121 000 315 000 12 300 32 500 1 700 2 600 RNA4828 168.5 1 1.02
+0.068
155 +0.043 180 32 1.5 114 000 252 000 11 600 25 700 1 700 2 600 NK155/32 172 1.5 1.20
180 42 1.5 156 000 380 000 16 000 38 500 1 700 2 600 NK155/42 172 1.5 1.59
190 50 1.5 209 000 485 000 21 300 49 500 1 700 2 500 RNA4928 182 1.5 2.35
+0.068
160 +0.043
190 67 1.5 310 000 755 000 31 500 77 000 1 700 2 500 RNA5928 182 1.5 3.48
190 32 1.5 117 000 265 000 11 900 27 000 1 600 2 400 NK165/32 182 1.5 1.42
+0.068
165 +0.043 190 40 1.1 152 000 390 000 15 500 40 000 1 600 2 400 RNA4830 183.5 1 1.60
190 42 1.5 160 000 400 000 16 300 40 500 1 600 2 400 NK165/42 182 1.5 1.66
+0.068
170 +0.043 210 60 2 261 000 610 000 26 600 62 500 1 600 2 400 RNA4930 201 2 2.98
+0.068
175 +0.043 200 40 1.1 160 000 425 000 16 300 43 500 1 500 2 300 RNA4832 193.5 1 1.70
+0.068
180 +0.043 220 60 2 270 000 650 000 27 600 66 500 1 500 2 200 RNA4932 211 2 3.10
+0.079
185 +0.050 215 45 1.1 185 000 495 000 18 800 50 500 1 500 2 200 RNA4834 208.5 1 2.54
+0.079
190 +0.050 230 60 2 279 000 690 000 28 500 70 500 1 400 2 100 RNA4934 221 2 3.22
+0.079
195 +0.050 225 45 1.1 195 000 540 000 19 800 55 000 1 400 2 100 RNA4836 218.5 1 2.68
205 +0.079 250 69 2 375 000 890 000 38 500 90 500 1 300 2 000 RNA4936 241 2 4.48
+0.050
+0.079
210 +0.050 240 50 1.5 227 000 680 000 23 200 69 000 1 300 1 900 RNA4838 232 1.5 3.21
+0.079
215 +0.050 260 69 2 390 000 945 000 40 000 96 500 1 300 1 900 RNA4938 251 2 4.53
220 +0.079 250 50 1.5 231 000 705 000 23 600 71 500 1 200 1 800 RNA4840 242 1.5 3.35
+0.050

Note 1) Allowable minimum chamfer dimension r.

B-64