The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Key Features

  • Supports heavy radial loads
  • Low friction roller design allows for high speed applications
  • Separable components simplify mounting and removal
  • Design has two ribs on the outer ring and one rib on the inner ring, making type NJ bearings well suited for use as semi-locating bearings
  • Enhanced operational reliability
  • Long service life
Single Row CRB EJ Steel Cage Product Image
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Width (B)

Static Radial Load Rating (C0)

Dynamic Radial Load Rating - 1M Revs (C1)

Thermal Reference Speed - Grease 

Thermal Reference Speed - Oil

CAD

NU2244EMA N/A 220 mm N/A 400 mm15.748 in N/A 4.252 in108 mm N/A 2350000 N528000 lbf N/A 1820000 N409000 lbf N/A 980 rpm N/A 1100 rpm N/A
NU2244EMAC3 N/A 220 mm N/A 400 mm15.748 in N/A 4.252 in108 mm N/A 2350000 N528000 lbf N/A 1820000 N409000 lbf N/A 980 rpm N/A 1100 rpm N/A
NJ244EMA N/A 220 mm N/A 400 mm15.748 in N/A 2.5591 in65 mm N/A 1290000 N290000 lbf N/A 1040000 N233000 lbf N/A 1400 rpm N/A 1600 rpm N/A
NU244EMA N/A 220 mm N/A 400 mm15.748 in N/A 2.5591 in65 mm N/A 1290000 N290000 lbf N/A 1040000 N233000 lbf N/A 1400 rpm N/A 1600 rpm N/A
NU244EMAC3 N/A 220 mm N/A 400 mm15.748 in N/A 2.5591 in65 mm N/A 1290000 N290000 lbf N/A 1040000 N233000 lbf N/A 1400 rpm N/A 1600 rpm N/A
NJ2344EMA N/A 220 mm N/A 460 mm18.1102 in N/A 5.7087 in145 mm N/A 3180000 N715000 lbf N/A 2200000 N495000 lbf N/A 850 rpm N/A 930 rpm N/A
NU2344EMA N/A 220 mm N/A 460 mm18.1102 in N/A 5.7087 in145 mm N/A 3130000 N704000 lbf N/A 2550000 N573000 lbf N/A 850 rpm N/A 930 rpm N/A
NU344MA N/A 220 mm N/A 460 mm18.1102 in N/A 3.4646 in88 mm N/A 1580000 N355000 lbf N/A 1200000 N270000 lbf N/A 1100 rpm N/A 1300 rpm N/A
NJ2344EMAC3 N/A 220 mm N/A 460 mm18.1102 in N/A 5.7087 in145 mm N/A 3180000 N715000 lbf N/A 2200000 N495000 lbf N/A 850 rpm N/A 930 rpm N/A
NU2344EMAC3 N/A 220 mm N/A 460 mm18.1102 in N/A 5.7087 in145 mm N/A 3130000 N704000 lbf N/A 2550000 N573000 lbf N/A 850 rpm N/A 930 rpm N/A
NU2344EMAC4 N/A 220 mm N/A 460 mm18.1102 in N/A 5.7087 in145 mm N/A 3130000 N704000 lbf N/A 2550000 N573000 lbf N/A 850 rpm N/A 930 rpm N/A
NU344EMA N/A 220 mm N/A 460 mm18.1102 in N/A 3.4646 in88 mm N/A 1580000 N355000 lbf N/A 1200000 N270000 lbf N/A 1100 rpm N/A 1200 rpm N/A
NU1048MA N/A 240 mm N/A 360 mm14.1732 in N/A 2.2047 in56 mm N/A 832000 N187000 lbf N/A 595000 N134000 lbf N/A 1800 rpm N/A 2200 rpm N/A
NU1048MAC3 N/A 240 mm N/A 360 mm14.1732 in N/A 2.2047 in56 mm N/A 832000 N187000 lbf N/A 595000 N134000 lbf N/A 1800 rpm N/A 2200 rpm N/A
NU5148MA N/A 240 mm N/A 390 mm15.3543 in N/A 4.25 in107.95 mm N/A 2550000 N573000 lbf N/A 1750000 N393000 lbf N/A 870 rpm N/A 950 rpm N/A
NU5148MAC3 N/A 240 mm N/A 390 mm15.3543 in N/A 4.25 in107.95 mm N/A 2550000 N573000 lbf N/A 1750000 N393000 lbf N/A 870 rpm N/A 950 rpm N/A
NJ248EMA N/A 240 mm N/A 440 mm17.3228 in N/A 2.8346 in72 mm N/A 1340000 N301000 lbf N/A 936000 N210000 lbf N/A 1200 rpm N/A 1400 rpm N/A
NU248EMA N/A 240 mm N/A 440 mm17.3228 in N/A 2.8346 in72 mm N/A 1340000 N301000 lbf N/A 936000 N210000 lbf N/A 1200 rpm N/A 1400 rpm N/A
NJ348EMA N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 2190000 N492000 lbf N/A 1900000 N427000 lbf N/A 1000 rpm N/A 1100 rpm N/A
NJ348MA N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 1950000 N438000 lbf N/A 1430000 N321000 lbf N/A 990 rpm N/A 1100 rpm N/A
NU348EMA N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 2190000 N492000 lbf N/A 1900000 N427000 lbf N/A 1000 rpm N/A 1100 rpm N/A
NJ348EMAC3 N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 2190000 N492000 lbf N/A 1900000 N427000 lbf N/A 1000 rpm N/A 1100 rpm N/A
NU348EMAC3 N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 2190000 N492000 lbf N/A 1900000 N427000 lbf N/A 1000 rpm N/A 1100 rpm N/A
240RN03 R3 N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 1930000 N434000 lbf N/A 1560000 N351000 lbf N/A 1100 rpm N/A 1200 rpm N/A
NU2348EMA N/A 240 mm N/A 500 mm19.685 in N/A 6.1024 in155 mm N/A 3190000 N717000 lbf N/A 2100000 N472000 lbf N/A 740 rpm N/A 800 rpm N/A
Unit of Measure
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