ZWA Chinese best bearing manufacturer

Products

Services

NEWS

Download

ZWA  Double-row Cylindrical Roller Bearing

Double-row Cylindrical Roller Bearing

BORE 150-190mm

Double-row cylindrical roller bearing has cylindrical and tapered hole (code K) two structures. There are two main types in ZWA :NNU design and NN design. N Double inner rib and no outer rib. NNU type design inner ring without baffle and outer ring with double baffle. The tapered hole structure can adjust the radial clearance during installation.

Basic Type

double-row cylindrical roller bearing
double-row cylindrical roller bearing
double-row cylindrical roller bearing
double-row cylindrical roller bearing

The products include

Double-row Cylindrical Roller Bearing
d 150-190mm
Basic Size Basic load rating Designation(Design) Abutment and chamfer dimensions Mass
d D B rsmin FW EW dynamic static Cylindrical bore Tapered bore da(2) d1a dc min Da ra max
C Co
mm kN mm kg
150 210 45 2 - 195 262 490 NN3930 NN3930K 163 166 - 196 2 4.47
150 210 60 2 - 195 350 715 NN4930 NN4930K 163 166 - 196 2 6.36
150 210 60 2 167 - 350 715 NNU4930 NNU4930K 163 166 171 196 2 6.39
150 225 56 2.1 - 206 335 585 NN3030 NN3030K 165 169 - 209 2 7.77
150 225 56 2.1 172 - 335 585 NNU3030 - 165 - 176 209 2 7.81
150 250 80 2.1 - 226 535 860 NN3130 - 165 - - 234 2 15.4
160 200 40 1 - 188 150 355 NN4832 - 169 - - 191 1 2.95
160 220 45 2 - 205 271 520 NN3932 NN3932K 173 176 - 206 2 5.02
160 220 60 2 - 205 365 760 NN4932 NN4932K 173 176 - 206 2 6.77
160 220 60 2 178.5 - 365 760 NNU4932 NNU4932K 173 176 182 206 2 6.76
160 240 60 2.1 - 219 375 660 NN3032 NN3032K 175 180 - 224 2 9.41
160 240 60 2.1 183 - 375 660 NNU3032 - 175 - 188 224 2 9.48
160 240 80 2.1 - 219 510 985 NN4032 NN4032K 175 182 - 224 2 12.7
160 240 80 2.1 183 - 510 985 NNU4032 - 175 - 188 224 2 12.7
160 270 86 2.1 - 243 620 1000 NN3132 - 175 - - 253 2 19.8
170 230 45 2 - 215 280 550 NN3934 NN3934K 183 186 - 216 2 5.01
170 230 60 2 - 215 375 805 NN4934 NN4934K 183 186 - 216 2 7.13
170 230 60 2 187 - 375 805 NNU4934 NNU4934K 183 186 192 216 2 7.12
170 260 67 2.1 - 236 450 805 NN3034 NN3034K 185 191 - 244 2 12.8
170 260 67 2.1 196 - 450 805 NNU3034 NNU3034K 185 191 201 244 2 12.9
170 280 88 2.1 - 253 635 1050 NN3134 - 185 - - 263 2 21.1
170 280 88 2.1 201 - 635 1050 NNU3134 - 185 - 206 263 2 21.4
180 225 45 1 - 213 225 535 NN4836 - 189 - - 215 1 4.15
180 250 52 2 - 232 340 655 NN3936 NN3936K 193 198 - 236 2 7.2
180 250 69 2 - 232 480 1020 NN4936 NN4936K 193 198 - 236 2 10.4
180 250 69 2 201 - 480 1020 NNU4936 NNU4936K 193 199 205 236 2 10.4
180 280 74 2.1 - 255 565 995 NN3036 NN3036K 195 202 - 263 2 16.8
180 280 74 2.1 209 - 565 995 NNU3036 - 195 - 214 263 2 16.9
190 260 52 2 - 243 345 680 NN3938 NN3938K 203 208 - 245 2 7.46
190 260 69 2 - 243 485 1060 NN4938 NN4938K 203 209 - 245 2 10.9
190 260 69 2 212 - 485 1060 NNU4938 NNU4938K 203 209 217 245 2 10.9
190 290 75 2.1 - 265 595 1080 NN3038 NN3038K 206 212 - 273 2 17.8
190 290 75 2.1 219 - 595 1080 NNU3038 - 206 - 224 273 2 17.9
190 290 100 2.1 - 265 825 1640 NN4038 - 206 - - 273 2 24
190 320 104 3 - 287 840 1420 NN3138 - 208 - - 300 2.5 33.8

Targeting at producing high-quality Bearings.

ZWA Chinese best bearing manufacturer

Products

Services