Ball and Roller Bearings - Ntn-snr.com

Double Row Angular Contact Thrust Ball Bearings
r1a
ra
Da
da
Wo
Equivalent bearing load
dynamic
PaFa
static
PoaFa
do
Oil inlet, oil groove dimensions
Units mm
Dimensions Abutment and fillet dimensions Mass approx.
mm mm kg
d a D a r as r 1as
2
small dia. large dia.
J E W min max max max type type
40 41.3 33 44 0.6 0.3 0.197 0.177
47 48.5 40 50.5 1 0.6 0.301 0.28
Nominal outer Oil groove width Wo Oil inlet do
diameter
D
Bearing series Bearing series
5629 5620 5629 5620
50 4.5 2
50 80 6 3
80 150 8 8 4 4
53 55 45.5 57.5 1 0.6 0.394 0.35
58.5 61 50 63.5 1 0.6 0.482 0.44
65 67.5 56.5 70.5 1 0.6 0.605 0.54
70 72.5 61.5 75.5 1 0.6 0.638 0.59
78 81 67.5 84 1 0.6 0.988 0.9
83 86.1 72.5 89 1 0.6 1.06 0.96
88 91 77.5 94 1 0.6 1.08 1
97 100 85 104 1 0.6 1.53 1.4
102 105 90 109 1 0.6 1.61 1.5
110 113 96.5 119 1 0.6 2.2 2
115 118 102 124 1 0.6 2.31 2.1
123 127 109 133.5 1.5 1 3.05 2.7
128 132 114 138.5 1.5 1 3.18 2.9
126 129 114 134.5 1 0.6 2.04 1.8
133 137 119 143.5 1.5 1 3.32 3
131 134 119 139.5 1 0.6 2.12 1.87
142 146 127 152 2 1 4.19 3.7
136 139 124 144.5 1 0.6 2.21 1.95
150 155 133 162 2 1 5.35 4.9
150 154.5 138 159.5 1 0.6 3.06 2.75
160 165 143 172 2 1 5.73 5.2
Note: 2. The following bearing series can be assembled and used together: 5629 (M) and NNU49 (K) and NN49 (K); 5620 (M) and NN30 (K).
3. These are high precision bearings manufactured at NTN standard Class 5 or higher.
B-275