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  • Single Row CRB EJ Steel Cage Product Image
  • CRB Single Row

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
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Bore (d) (mm)

O.D. (D) (mm)

O.D. (D) (in)

Width (B) (in)

Width (B) (mm)

Dynamic Radial Load Rating - 1M Revs (C1) (N)

Dynamic Radial Load Rating - 1M Revs (C1) (lbf)

Thermal Reference Speed - Oil (rpm)

Thermal Reference Speed - Grease  (rpm)

Part Number

Bore (d)

O.D. (D)

Width (B)

Static Radial Load Rating (C0)

Dynamic Radial Load Rating - 1M Revs (C1)

Thermal Reference Speed - Oil

Thermal Reference Speed - Grease 

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 930 rpm N/A 850 rpm
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 930 rpm N/A 850 rpm
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 930 rpm N/A 850 rpm
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 1200 rpm N/A 1100 rpm
NU344EMC3 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 1200 rpm N/A 1100 rpm
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 2200 rpm N/A 1800 rpm
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 2200 rpm N/A 1800 rpm
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 950 rpm N/A 870 rpm
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 950 rpm N/A 870 rpm
NU248EMAC3 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 1400 rpm N/A 1200 rpm
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 1400 rpm N/A 1200 rpm
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 1400 rpm N/A 1200 rpm
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 1100 rpm N/A 1000 rpm
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 1100 rpm N/A 990 rpm
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 1100 rpm N/A 1000 rpm
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 1100 rpm N/A 1000 rpm
NU2348EMAC3 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 800 rpm N/A 740 rpm
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 1100 rpm N/A 1000 rpm
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 1200 rpm N/A 1100 rpm
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 800 rpm N/A 740 rpm
NJ348EMAW40RC3 N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 2530000 N568000 lbf N/A 2080000 N468000 lbf N/A 1100 rpm N/A 1000 rpm
NU348EMAW40RC3 N/A 240 mm N/A 500 mm19.685 in N/A 3.7402 in95 mm N/A 2530000 N568000 lbf N/A 2080000 N468000 lbf N/A 1100 rpm N/A 1000 rpm
NU1052AMAWEW37R N/A 260 mm N/A 400 mm15.748 in N/A 2.5591 in65 mm N/A 1040000 N234000 lbf N/A 737000 N166000 lbf N/A 1700 rpm N/A 1400 rpm
NU1052MA N/A 260 mm N/A 400 mm15.748 in N/A 2.5591 in65 mm N/A 1040000 N234000 lbf N/A 737000 N166000 lbf N/A 1700 rpm N/A 1400 rpm
NU3052EMA N/A 260 mm N/A 400 mm15.748 in N/A 4.0945 in104 mm N/A 2500000 N562000 lbf N/A 1580000 N355000 lbf N/A 860 rpm N/A 770 rpm
NU1052MAC3 N/A 260 mm N/A 400 mm15.748 in N/A 2.5591 in65 mm N/A 1040000 N234000 lbf N/A 737000 N166000 lbf N/A 1700 rpm N/A 1400 rpm
NU3052EMAC3 N/A 260 mm N/A 400 mm15.748 in N/A 4.0945 in104 mm N/A 2500000 N562000 lbf N/A 1580000 N355000 lbf N/A 910 rpm N/A 830 rpm
NU3052EC5SIR N/A 260 mm N/A 400 mm15.748 in N/A 4.0945 in104 mm N/A 2500000 N562000 lbf N/A 1580000 N355000 lbf N/A 860 rpm N/A 770 rpm
NU3052EMC5S1W20 N/A 260 mm N/A 400 mm15.748 in N/A 4.0945 in104 mm N/A 2500000 N562000 lbf N/A 1580000 N355000 lbf N/A 860 rpm N/A 770 rpm
NU3052EMCE N/A 260 mm N/A 400 mm15.748 in N/A 4.0945 in104 mm N/A 2500000 N562000 lbf N/A 1580000 N355000 lbf N/A 860 rpm N/A 770 rpm
NU252MA N/A 260 mm N/A 480 mm18.8976 in N/A 3.1496 in80 mm N/A 1710000 N384000 lbf N/A 1320000 N297000 lbf N/A 1200 rpm N/A 1000 rpm
NU252M2 N/A 260 mm N/A 480 mm18.8976 in N/A 3.1496 in80 mm N/A 1710000 N384000 lbf N/A 1320000 N297000 lbf N/A 1200 rpm N/A 1000 rpm
NU252MC3 N/A 260 mm N/A 480 mm18.8976 in N/A 3.1496 in80 mm N/A 1710000 N384000 lbf N/A 1320000 N297000 lbf N/A 1200 rpm N/A 1000 rpm
NU1056MA N/A 280 mm N/A 420 mm16.5354 in N/A 2.5591 in65 mm N/A 1080000 N243000 lbf N/A 754000 N170000 lbf N/A 1800 rpm N/A 1500 rpm
NU1056MAC3 N/A 280 mm N/A 420 mm16.5354 in N/A 2.5591 in65 mm N/A 1080000 N243000 lbf N/A 754000 N170000 lbf N/A 1800 rpm N/A 1500 rpm
NU1056MAC4 N/A 280 mm N/A 420 mm16.5354 in N/A 2.5591 in65 mm N/A 1080000 N243000 lbf N/A 754000 N170000 lbf N/A 1800 rpm N/A 1500 rpm
280RN91 R3 N/A 280 mm N/A 460 mm18.1102 in N/A 4.875 in123.825 mm N/A 3700000 N832000 lbf N/A 2410000 N542000 lbf N/A 970 rpm N/A 910 rpm
280RN92 R3 N/A 280 mm N/A 500 mm19.685 in N/A 6.5 in165.1 mm N/A 5220000 N1170000 lbf N/A 3150000 N708000 lbf N/A 630 rpm N/A 590 rpm
NF5158M N/A 287.6 mm N/A 440 mm17.3228 in N/A 2.8346 in72 mm N/A 1740000 N391000 lbf N/A 1030000 N232000 lbf N/A 790 rpm N/A 690 rpm
NU1060MA N/A 300 mm N/A 460 mm18.1102 in N/A 2.9134 in74 mm N/A 1420000 N319000 lbf N/A 1000000 N225000 lbf N/A 1600 rpm N/A 1400 rpm
NU1060MAC3 N/A 300 mm N/A 460 mm18.1102 in N/A 2.9134 in74 mm N/A 1420000 N319000 lbf N/A 1000000 N225000 lbf N/A 1600 rpm N/A 1400 rpm
300RN30 R3 N/A 300 mm N/A 460 mm18.1102 in N/A 4.6457 in118 mm N/A 3640000 N818000 lbf N/A 1990000 N447000 lbf N/A 690 rpm N/A 630 rpm
NU5260MAW61 N/A 300 mm N/A 540 mm21.2598 in N/A 7 in177.8 mm N/A 5590000 N1260000 lbf N/A 3930000 N883000 lbf N/A 580 rpm N/A 540 rpm
NU5260MAW61C3 N/A 300 mm N/A 540 mm21.2598 in N/A 7 in177.8 mm N/A 5590000 N1260000 lbf N/A 3930000 N883000 lbf N/A 580 rpm N/A 540 rpm
N5161M N/A 305 mm N/A 460 mm18.1102 in N/A 2.5591 in65 mm N/A 1950000 N438000 lbf N/A 1280000 N288000 lbf N/A 680 rpm N/A 590 rpm
NU1064MA N/A 320 mm N/A 480 mm18.8976 in N/A 2.9134 in74 mm N/A 1500000 N337000 lbf N/A 1020000 N230000 lbf N/A 1500 rpm N/A 1300 rpm
320RN91 R3 N/A 320 mm N/A 500 mm19.685 in N/A 5.126 in130.2 mm N/A 4210000 N946000 lbf N/A 2390000 N537000 lbf N/A 1400 rpm N/A 1200 rpm
320NU92W45C N/A 320 mm N/A 580 mm22.8346 in N/A 7.5039 in190.6 mm N/A 6790000 N1530000 lbf N/A 4020000 N904000 lbf N/A 510 rpm N/A 480 rpm
NU5164MAW61 N/A 320 mm N/A 580 mm22.8346 in N/A 7.5 in190.5 mm N/A 6440000 N1450000 lbf N/A 4480000 N1010000 lbf N/A 520 rpm N/A 480 rpm
NU5164MAW61C3 N/A 320 mm N/A 580 mm22.8346 in N/A 7.5 in190.5 mm N/A 6440000 N1450000 lbf N/A 4480000 N1010000 lbf N/A 520 rpm N/A 480 rpm
801 - 850 of 889 | Results Per Page | View | Unit of Measure
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