Montage of Timken Bearing Products
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  • Additional radial load-carrying capability compared to single-row product.
  • Designed to ISO/DIN specified interchangeable dimensions.
  • Sold as complete assembly.

NNU-1
  • Outer rings with solid ribs.
  • Lubrication grooves and holes on outer rings.
  • One solid brass cage.

The radial internal clearance (RIC) for the bearing assembly must be included when ordering the complete assembly.
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Bore d (mm)

Bore d (in)

O.D. D (mm)

O.D. D (in)

Width B (mm)

Width B (in)

Dynamic Load Rating C1 (kN)

Dynamic Load Rating C1 (lbf)

Thermal Speed Ratings - Oil (rpm)

Thermal Speed Ratings - Grease (rpm)

Timken Part Number

Bore d

O.D. D

Width B

DUR/DOR F/E

Static Load Rating Co

Dynamic Load Rating C1

Thermal Speed Ratings - Oil

Thermal Speed Ratings - Grease

CAD

NNU4930MAW33 N/A 150.000 mm5.9055 in N/A 210.000 mm8.2677 in N/A 60.000 mm2.3622 in N/A 168.500 mm6.6339 in N/A 668 kN150200 lbf N/A 374 kN84100 lbf N/A 2100 rpm N/A 1800 rpm N/A CAD
NNU4932MAW33 N/A 160.000 mm6.2992 in N/A 220.000 mm8.6614 in N/A 60.000 mm2.3622 in N/A 178.500 mm7.0276 in N/A 692 kN155600 lbf N/A 380 kN85300 lbf N/A 2000 rpm N/A 1700 rpm N/A CAD
NNU4934MAW33 N/A 170.000 mm6.6929 in N/A 230.000 mm9.0551 in N/A 60.000 mm2.3622 in N/A 188.500 mm7.4213 in N/A 696 kN156200 lbf N/A 376 kN84600 lbf N/A 1900 rpm N/A 1600 rpm N/A CAD
NNU4936MAW33 N/A 180.000 mm7.0866 in N/A 250.000 mm9.8425 in N/A 69.000 mm2.7165 in N/A 202.000 mm7.9528 in N/A 850 kN191000 lbf N/A 449 kN101000 lbf N/A 1700 rpm N/A 1500 rpm N/A CAD
NNU4938MAW33 N/A 190.000 mm7.4803 in N/A 260.000 mm10.2362 in N/A 69.000 mm2.7165 in N/A 212.000 mm8.3465 in N/A 890 kN200000 lbf N/A 459 kN103000 lbf N/A 1600 rpm N/A 1400 rpm N/A CAD
NNU4940MAW33 N/A 200.000 mm7.8740 in N/A 280.000 mm11.0236 in N/A 80.000 mm3.1496 in N/A 225.000 mm8.8583 in N/A 1046 kN234000 lbf N/A 550 kN124000 lbf N/A 1500 rpm N/A 1300 rpm N/A CAD
NNU4140MAW33 N/A 200.000 mm7.8740 in N/A 340.000 mm13.3858 in N/A 140.000 mm5.5118 in N/A 235.000 mm9.2520 in N/A 2460 kN552000 lbf N/A 1690 kN381000 lbf N/A 1200 rpm N/A 1100 rpm N/A CAD
NNU4944MAW33 N/A 220.000 mm8.6614 in N/A 300.000 mm11.8110 in N/A 80.000 mm3.1496 in N/A 245.000 mm9.6457 in N/A 1150 kN258000 lbf N/A 577 kN130000 lbf N/A 1400 rpm N/A 1200 rpm N/A CAD
NNU4144MAW33 N/A 220.000 mm8.6614 in N/A 370.000 mm14.5669 in N/A 150.000 mm5.9055 in N/A 258.000 mm10.1575 in N/A 2960 kN666000 lbf N/A 1930 kN434000 lbf N/A 1000 rpm N/A 940 rpm N/A CAD
NNU4948MAW33 N/A 240.000 mm9.4488 in N/A 320.000 mm12.5984 in N/A 80.000 mm3.1496 in N/A 265.000 mm10.4331 in N/A 1220 kN274000 lbf N/A 591 kN133000 lbf N/A 1200 rpm N/A 1100 rpm N/A CAD
NNU4148MAW33 N/A 240.000 mm9.4488 in N/A 400.000 mm15.7480 in N/A 160.000 mm6.2992 in N/A 282.000 mm11.1024 in N/A 3680 kN828000 lbf N/A 2290 kN515000 lbf N/A 870 rpm N/A 800 rpm N/A CAD
NNU4952MAW33 N/A 260.000 mm10.2362 in N/A 360.000 mm14.1732 in N/A 100.000 mm3.9370 in N/A 292.000 mm11.4961 in N/A 1710 kN385000 lbf N/A 856 kN192000 lbf N/A 1100 rpm N/A 950 rpm N/A CAD
NNU4152MAW33 N/A 260.000 mm10.2362 in N/A 440.000 mm17.3228 in N/A 180.000 mm7.0866 in N/A 306.000 mm12.0472 in N/A 4540 kN1022000 lbf N/A 2840 kN639000 lbf N/A 760 rpm N/A 710 rpm N/A CAD
NNU4956MAW33 N/A 280.000 mm11.0236 in N/A 380.000 mm14.9606 in N/A 100.000 mm3.9370 in N/A 312.000 mm12.2835 in N/A 1834 kN412000 lbf N/A 880 kN198000 lbf N/A 1000 rpm N/A 880 rpm N/A CAD
NNU4156MAW33 N/A 280.000 mm11.0236 in N/A 460.000 mm18.1102 in N/A 180.000 mm7.0866 in N/A 326.000 mm12.8346 in N/A 4820 kN1084000 lbf N/A 2940 kN660000 lbf N/A 990 rpm N/A 910 rpm N/A CAD
NNU4960MAW33 N/A 300.000 mm11.8110 in N/A 420.000 mm16.5354 in N/A 118.000 mm4.6457 in N/A 339.000 mm13.3465 in N/A 2380 kN536000 lbf N/A 1170 kN263000 lbf N/A 880 rpm N/A 780 rpm N/A CAD
NNU4160MAW33 N/A 300.000 mm11.8110 in N/A 500.000 mm19.6850 in N/A 200.000 mm7.8740 in N/A 351.000 mm13.8189 in N/A 6140 kN1382000 lbf N/A 3780 kN850000 lbf N/A 600 rpm N/A 560 rpm N/A CAD
NNU4964MAW33 N/A 320.000 mm12.5984 in N/A 440.000 mm17.3228 in N/A 118.000 mm4.6457 in N/A 359.000 mm14.1339 in N/A 2660 kN598000 lbf N/A 1270 kN285000 lbf N/A 790 rpm N/A 710 rpm N/A CAD
NNU4164MAW33 N/A 320.000 mm12.5984 in N/A 540.000 mm21.2598 in N/A 218.000 mm8.5827 in N/A 375.000 mm14.7638 in N/A 6280 kN1410000 lbf N/A 3940 kN886000 lbf N/A 590 rpm N/A 550 rpm N/A CAD
NNU4968MAW33 N/A 340.000 mm13.3858 in N/A 460.000 mm18.1102 in N/A 118.000 mm4.6457 in N/A 379.000 mm14.9213 in N/A 2660 kN598000 lbf N/A 1250 kN282000 lbf N/A 760 rpm N/A 670 rpm N/A CAD
NNU4068MAW33 N/A 340.000 mm13.3858 in N/A 520.000 mm20.4724 in N/A 180.000 mm7.0866 in N/A 385.000 mm15.1575 in N/A 5130 kN1153000 lbf N/A 2980 kN669000 lbf N/A 610 rpm N/A 560 rpm N/A CAD
NNU4168MAW33 N/A 340.000 mm13.3858 in N/A 580.000 mm22.8346 in N/A 243.000 mm9.5669 in N/A 402.000 mm15.8268 in N/A 7580 kN1704000 lbf N/A 4660 kN1050000 lbf N/A 530 rpm N/A 490 rpm N/A CAD
NNU4972MAW33 N/A 360.000 mm14.1732 in N/A 480.000 mm18.8976 in N/A 118.000 mm4.6457 in N/A 399.000 mm15.7087 in N/A 2800 kN630000 lbf N/A 1270 kN285000 lbf N/A 710 rpm N/A 630 rpm N/A CAD
NNU4072MAW33 N/A 360.000 mm14.1732 in N/A 540.000 mm21.2598 in N/A 180.000 mm7.0866 in N/A 405.000 mm15.9449 in N/A 5580 kN1256000 lbf N/A 3180 kN716000 lbf N/A 560 rpm N/A 510 rpm N/A CAD
NNU4172MAW33 N/A 360.000 mm14.1732 in N/A 600.000 mm23.6220 in N/A 243.000 mm9.5669 in N/A 422.000 mm16.6142 in N/A 8480 kN1906000 lbf N/A 5000 kN1120000 lbf N/A 470 rpm N/A 440 rpm N/A CAD
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