Page 136 - needle bearings

Machined-ring needle roller bearings
NTN

With inner ring

C C
Type NA48 r r
Type NA49 r r
Type NA59
Type NKʴʴIR
ПD Пd ПF ПD Пd ПF

Type NA49ʝRɼType NA49 Type NA69ʝR
Type NA59
Type NKʝRʴIRɼType NKʴIR

d 85ʙ130mm

Boundary dimensions Basic load ratings Limiting speeds Bearing numbers
dynamic static dynamic static
mm N kgf r/min
grease oil
d D C rs min 1) F s 2) Cr Cor Cr Cor
120 35 1.1 100 1 112 000 237 000 11 500 24 200 2 700 4 000 NA4917R
85 120 46 1.1 100 1.5 137 000 290 000 14 000 29 600 2 700 4 000 NA5917
120 63 1.1 100 1 169 000 400 000 17 300 41 000 2 700 4 000 NA6917R
120 26 1 100 1.5 73 500 137 000 7 500 14 000 2 700 4 000 NK100/26RʴIR90ʷ100ʷ26
120 36 1 100 1.5 107 000 223 000 11 000 22 800 2 700 4 000 NK100/36RʴIR90ʷ100ʷ36
90 125 35 1.1 105 1 116 000 252 000 11 900 25 700 2 500 3 800 NA4918R
125 46 1.1 105 1 143 000 310 000 14 600 32 000 2 500 3 800 NA5918
125 63 1.1 105 1 175 000 425 000 17 900 43 500 2 500 3 800 NA6918R
125 26 1 105 1.5 76 500 147 000 7 800 14 900 2 500 3 800 NK105/26RʴIR95ʷ105ʷ26
125 36 1 105 1.5 111 000 238 000 11 400 24 300 2 500 3 800 NK105/36RʴIR95ʷ105ʷ36
95 130 35 1.1 110 1 118 000 260 000 12 000 26 500 2 400 3 600 NA4919R
130 46 1.1 110 1 149 000 335 000 15 200 34 000 2 400 3 600 NA5919
130 63 1.1 110 1 177 000 440 000 18 100 45 000 2 400 3 600 NA6919R

130 30 1.1 110 1.5 97 500 204 000 9 950 20 800 2 400 3 600 NK110/30RʴIR100ʷ110ʷ30
130 40 1.1 110 2 129 000 292 000 13 100 29 700 2 400 3 600 NK110/40RʴIR100ʷ110ʷ40
100
140 40 1.1 115 2 127 000 260 000 12 900 26 500 2 300 3 500 NA4920
140 54 1.1 115 2 182 000 395 000 18 600 40 500 2 300 3 500 NA5920
140 30 1 120 0.8 93 500 210 000 9 550 21 400 2 200 3 300 NA4822
140 40 1.1 120 ʕ 113 000 268 000 11 500 27 300 2 200 3 300 NK120/40ʴIR110ʷ120ʷ40
110
150 40 1.1 125 2 131 000 279 000 13 300 28 400 2 100 3 200 NA4922
150 54 1.1 125 2 193 000 440 000 19 700 45 000 2 100 3 200 NA5922

150 30 1 130 0.8 99 500 233 000 10 100 23 800 2 100 3 100 NA4824
150 40 1.1 130 ʕ 116 000 283 000 11 800 28 800 2 100 3 100 NK130/40ʴIR120ʷ130ʷ40
120
165 45 1.1 135 2 180 000 380 000 18 300 38 500 2 000 3 000 NA4924
165 60 1.1 135 2 245 000 525 000 25 000 53 500 2 000 3 000 NA5924
165 35 1.1 145 1 118 000 305 000 12 100 31 000 1 900 2 800 NA4826
170 32 1.5 145 ʕ 111 000 238 000 11 300 24 300 1 900 2 800 NK145/32ʴIR130ʷ145ʷ32
130
170 42 1.5 145 ʕ 153 000 360 000 15 600 36 500 1 900 2 800 NK145/42ʴIR130ʷ145ʷ42
180 50 1.5 150 1.5 202 000 455 000 20 600 46 500 1 800 2 700 NA4926

Note 1) Allowable minimum chamfer dimension r . 2) Allowable axial stroking value of inner ring against outer ring.
Remarks: Nominal code number of inner ring (IR) comprises the codes of IR bore diameterʷouter diameterʷwidth.
B-74