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Single Row 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
RNU 211 ECP 100 mm 21 mm 96.5 kN 95 kN 0.48 kg
RNU 211 ECJ 100 mm 21 mm 96.5 kN 95 kN 0.5 kg
RNU 310 ECP 110 mm 27 mm 127 kN 112 kN 0.85 kg
RNU 310 ECJ 110 mm 27 mm 127 kN 112 kN 0.88 kg
RNU 1011 90 mm 18 mm 41.5 kN 41.5 kN 0.29 kg
RNU 2210 ECP 90 mm 23 mm 90 kN 88 kN 0.42 kg
RNU 309 ECP 100 mm 25 mm 112 kN 100 kN 0.68 kg
RNU 1010 ECP 80 mm 16 mm 53 kN 56 kN 0.19 kg
RNU 2209 ECP 85 mm 23 mm 85 kN 81.5 kN 0.4 kg
RNU 209 ECP 85 mm 19 mm 69.5 kN 64 kN 0.33 kg
RNU 1009 ECP 75 mm 16 mm 52 kN 52 kN 0.19 kg
RNU 308 ECP 90 mm 23 mm 93 kN 78 kN 0.5 kg
RNU 308 ECJ 90 mm 23 mm 93 kN 78 kN 0.5 kg
RNU 2208 ECP 80 mm 23 mm 81.5 kN 75 kN 0.37 kg
RNU 2208 ECJ 80 mm 23 mm 81.5 kN 75 kN 0.37 kg
RNU 208 ECP 80 mm 18 mm 62 kN 53 kN 0.28 kg
RNU 307 ECP 80 mm 21 mm 75 kN 63 kN 0.37 kg
RNU 2207 ECP 72 mm 23 mm 69.5 kN 63 kN 0.3 kg
RNU 2207 ECJ 72 mm 23 mm 69.5 kN 63 kN 0.31 kg
RNU 207 ECP 72 mm 17 mm 56 kN 48 kN 0.23 kg
RNU 207 ECJ 72 mm 17 mm 56 kN 48 kN 0.23 kg
RNU 306 72 mm 19 mm 36.9 kN 33.5 kN 0.26 kg
RNU 1007 ECP 62 mm 14 mm 41.5 kN 38 kN 0.11 kg
RNU 2206 ECP 62 mm 20 mm 55 kN 49 kN 0.2 kg
RNU 206 ECP 62 mm 16 mm 44 kN 36.5 kN 0.16 kg
RNU 305 62 mm 17 mm 28.6 kN 24.5 kN 0.18 kg
RNU 2205 ECP 52 mm 18 mm 39 kN 34 kN 0.12 kg
RNU 205 ECP 52 mm 15 mm 32.5 kN 27 kN 0.1 kg
RNU 304 52 mm 15 mm 20.5 kN 16.6 kN 0.11 kg
RNU 2304 ECP 52 mm 21 mm 47.5 kN 38 kN 0.17 kg
RNU 204 47 mm 14 mm 14.7 kN 12 kN 0.083 kg
RNU 204 ECP 47 mm 14 mm 28.5 kN 22 kN 0.084 kg
RNU 203 TN9 40 mm 12 mm 11.7 kN 9.5 kN 0.051 kg
RNU 2203 ECP 40 mm 16 mm 27.5 kN 21.6 kN 0.073 kg
RNU 203 ECP 40 mm 12 mm 20 kN 14.3 kN 0.054 kg
RNU 202 ECP 35 mm 11 mm 12.5 kN 10.2 kN 0.037 kg
CRM 40 AMB 5" 10" 2" 484 kN 585 kN 12 kg
CRL 40 AMB 5" 9" 1.375" 297 kN 380 kN 6.5 kg
CRM 36 AMB 4.5" 9.375" 2" 468 kN 540 kN 11 kg
CRL 36 AMB 4.5" 8" 1.3125" 264 kN 325 kN 4.65 kg