Ball and Roller Bearings - Ntn-snr.com

Four Row Tapered Roller Bearings
C2
r
r1
B2
D
Da
d
da
Sa
d 120187.325mm
Boundary dimensions
Basic load ratings
dynamic static dynamic static
mm kN kgf
1
1
d D B 2 C 2 r 1s min r s min C r C or C r C or
120
120.650
127
130
135
136.525
139.700
140
146.050
150
152.400
160
165.100
170
177.800
180
187.325
170 124 124 2.5 2 390 1,020 40,000 104,000
210 174 174 2.5 2.5 855 1,710 87,500 174,000
174.625 141.288 139.703 0.8 1.5 510 1,220 52,000 124,000
182.562 158.750 158.750 1.5 3.3 660 1,730 67,000 177,000
184 134 134 2.5 2 480 1,190 49,000 122,000
180 160 160 1 2 500 1,360 51,000 138,000
190.500 161.925 161.925 1.5 3.3 695 1,900 71,000 193,000
200.025 157.165 160.340 0.8 3.3 700 1,950 71,500 199,000
198 144 144 2.5 2 575 1,460 58,500 149,000
244.475 192.088 187.325 1.5 3.3 955 1,980 97,000 202,000
212 155 155 3 2.5 660 1,700 67,500 173,000
222.250 174.625 174.625 1.5 1.5 930 2,350 94,500 239,000
226 165 165 3 2.5 775 2,030 79,000 207,000
265 173 173 2.5 2.5 1,100 2,270 112,000 231,000
225.425 165.100 168.275 0.8 3.3 745 2,220 76,000 226,000
240 175 175 3 2.5 835 2,200 85,500 224,000
280 181 181 2.5 2.5 1,150 2,420 117,000 247,000
247.650 192.088 192.088 1.5 3.3 1,000 2,760 102,000 281,000
279.400 234.950 234.947 1.5 3.3 1,420 3,400 145,000 345,000
304.800 238.227 233.365 3.3 3.3 1,580 3,100 161,000 320,000
254 185 185 3 2.5 910 2,390 93,000 244,000
300 280 280 3 3 2,160 4,800 220,000 490,000
269.875 211.138 211.138 1.5 3.3 1,240 3,400 127,000 345,000
1 Minimum allowable dimension for chamfer dimension r or r1.
B-212