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Angle Ring High Capacity Cylindrical Roller Bearings

ZHIO® cylindrical roller bearings have many designs, dimension series and sizes. The majority is single row bearings with a cage. Single and double row full complement bearings (without cage) complete the ZHIO® standard assortment for general engineering. Bearings with a cage can accommodate heavy radial loads and operate at high speeds. Full complement cylindrical roller bearings are suitable for very heavy radial loads at moderate speeds.

The rollers of ZHIO® cylindrical roller bearings are key components. Their geometry, the so-called logarithmic profile, provides an optimum stress distribution in the contact zones in the bearing. Their surface finish maximizes lubricant film formation and optimizes rolling motion of the rollers. The benefits derived from this compared with traditional designs include enhanced operational reliability and a greater insensitivity to misalignment.

The range of ZHIO® cylindrical roller bearings comprises the basic types.
ZHIO® single row cylindrical roller bearings, caged, mainly of the NU, NJ, NUP and N designs.
ZHIO® double row cylindrical roller bearings, caged, mainly of the NNUand NN designs.
ZHIO® single row full complement cylindrical roller bearings, mainly of the NCF and NJG designs.
ZHIO® double row full complement cylindrical roller bearings, mainly of the NNF design.

ZHIO® cylindrical roll bearings have the following design features:
1. Optimized design in ribs and rollers to enhance the axial load capacity
2. Optimized design in the geometric surface between rollers and raceway to balance the radial load distribution
3. Limit the width of raceway undercut, increase the contact area between raceway and rollers and enhance the radial load capacity
4. High standard material, strictly control the element content, e.g. Ti<30ppm
5. Low noise design, reaches to V1 grade noise level, contributes to the quieter running of automobile engine and gearbox.

Dimension(mm) Radial Load
Model inside Outside Height Dynamic Static Maximum Speed Weight
NUH 2348 ECMH/PEX 240 mm 500 mm 155 mm 3150 kN 4000 kN 143 kg
NUH 2248 ECMH/PEX 240 mm 440 mm 120 mm 2280 kN 3050 kN 80 kg
NUH 2344 ECMH/PEX 220 mm 460 mm 145 mm 2900 kN 3650 kN 116 kg
NUH 2244 ECMH/PEX 220 mm 400 mm 108 mm 2000 kN 2600 kN 58.8 kg
NCF 2344 ECJB 220 mm 460 mm 145 mm 2510 kN 3650 kN 115 kg
NCF 2244 ECJB/PEX 220 mm 400 mm 108 mm 2000 kN 2600 kN 58.5 kg
NUH 2340 ECMH/PEX 200 mm 420 mm 138 mm 2550 kN 3200 kN 92.7 kg
NUH 2240 ECMH 200 mm 360 mm 98 mm 1460 kN 2000 kN 43.4 kg
NCF 2340 ECJB/PEX 200 mm 420 mm 138 mm 2550 kN 3200 kN 91.5 kg
NCF 2240 ECJB 200 mm 360 mm 98 mm 1460 kN 2000 kN 43 kg
NUH 2338 ECMH/PEX 190 mm 400 mm 132 mm 2240 kN 2750 kN 78.6 kg
NUH 2238 ECMH 190 mm 340 mm 92 mm 1320 kN 1760 kN 36 kg
NCF 2338 ECJB/PEX 190 mm 400 mm 132 mm 2240 kN 2750 kN 78 kg
NCF 2238 ECJB 190 mm 340 mm 92 mm 1320 kN 1760 kN 36.5 kg
NUH 2336 ECMH/PEX 180 mm 380 mm 126 mm 1960 kN 2400 kN 67.9 kg
NUH 2236 ECMH 180 mm 320 mm 86 mm 1200 kN 1600 kN 29.7 kg
NCF 2336 ECJB/PEX 180 mm 380 mm 126 mm 1960 kN 2400 kN 67.5 kg
NCF 2236 ECJB 180 mm 320 mm 86 mm 1200 kN 1600 kN 30 kg
NUH 2334 ECMH/PEX 170 mm 360 mm 120 mm 1760 kN 2200 kN 59.4 kg
NUH 2234 ECMH 170 mm 310 mm 86 mm 1160 kN 1530 kN 28.6 kg
NCF 2334 ECJB/PEX 170 mm 360 mm 120 mm 1760 kN 2200 kN 58.5 kg
NCF 2234 ECJB 170 mm 310 mm 86 mm 1160 kN 1530 kN 28 kg
NUH 2332 ECMH/PEX 160 mm 340 mm 114 mm 1600 kN 2000 kN 50.3 kg
NCF 2332 ECJB/PEX 160 mm 340 mm 114 mm 1600 kN 2000 kN 50.5 kg
NCF 2232 ECJB 160 mm 290 mm 80 mm 980 kN 1270 kN 23.5 kg
NUH 2330 ECMH 150 mm 320 mm 108 mm 1430 kN 1760 kN 42 kg
NUH 2230 ECMH 150 mm 270 mm 73 mm 780 kN 1040 kN 18.1 kg
NCF 2330 ECJB 150 mm 320 mm 108 mm 1430 kN 1760 kN 43.5 kg
NCF 2230 ECJB 150 mm 270 mm 73 mm 780 kN 1040 kN 18 kg
NUH 2328 ECMH 140 mm 300 mm 102 mm 1250 kN 1530 kN 35 kg
NUH 2228 ECMH 140 mm 250 mm 68 mm 680 kN 880 kN 14.3 kg
NCF 2328 ECJB 140 mm 300 mm 102 mm 1250 kN 1530 kN 35.5 kg
NCF 2228 ECJB 140 mm 250 mm 68 mm 680 kN 880 kN 14.5 kg
NUH 2326 ECMH 130 mm 280 mm 93 mm 1120 kN 1340 kN 28.1 kg
NUH 2226 ECMH 130 mm 230 mm 64 mm 630 kN 780 kN 11 kg
NCF 2326 ECJB 130 mm 280 mm 93 mm 1120 kN 1340 kN 29 kg
NUH 2324 ECMH 120 mm 260 mm 86 mm 965 kN 1120 kN 22.3 kg
NUH 2322 ECMH 110 mm 240 mm 80 mm 830 kN 965 kN 17.8 kg
NUH 2222 ECMH 110 mm 200 mm 53 mm 465 kN 550 kN 7.3 kg
NUH 2320 ECMH 100 mm 215 mm 73 mm 710 kN 800 kN 12.8 kg