RBC Bearings Inc.
RBC Bearings Inc.
Address: One Tribology Center
Oxford, CT 06478
Phone: (203) 267-7001
Fax: (203) 267-5000
Email: AeroInfo@RBCbearings.com
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Series NBC needle bearings offer high capacity, thin cross section and unitized construction. They are commonly used in pivots and linkages. They are a non-separable unit, comprised of an inner ring, outer ring, needle rollers, and retaining washers which are fastened to the inner ring.
Grooves and hole for relubrication are provided in the inner ring and outer ring.
External surfaces, except inner ring bore, are cadmium plated.
4NBC612ZP_FB
Unit of Measure
1 2 

Item #

Inside Diameter

Outside Diameter

Overall Width

Radius (r)

Speed Limit

Load Limit

3NBC511ZP N/A 0.19 in N/A 0.69 in N/A 0.312 in N/A 0.022 in N/A 100 rpm N/A 1800 lbf
4NBC612YJ N/A 0.25 in N/A 0.75 in N/A 0.3750 in N/A 0.022 in N/A 100 rpm N/A 2870 lbf
4NBC612ZP N/A 0.25 in N/A 0.75 in N/A 0.3750 in N/A 0.022 in N/A 100 rpm N/A 2870 lbf
5NBC713YJ N/A 0.31 in N/A 0.81 in N/A 0.437 in N/A 0.022 in N/A 100 rpm N/A 4070 lbf
5NBC713ZP N/A 0.31 in N/A 0.81 in N/A 0.437 in N/A 0.022 in N/A 100 rpm N/A 4070 lbf
6NBC914YJ N/A 0.38 in N/A 0.88 in N/A 0.562 in N/A 0.022 in N/A 100 rpm N/A 6330 lbf
6NBC914YZP N/A 0.38 in N/A 0.88 in N/A 0.562 in N/A 0.022 in N/A 100 rpm N/A 6330 lbf
7NBC1015YZP N/A 0.44 in N/A 0.94 in N/A 0.6250 in N/A 0.032 in N/A 100 rpm N/A 8000 lbf
8NBC1218YJ N/A 0.50 in N/A 1.13 in N/A 0.7500 in N/A 0.032 in N/A 100 rpm N/A 11600 lbf
8NBC1218YZP N/A 0.50 in N/A 1.13 in N/A 0.7500 in N/A 0.032 in N/A 100 rpm N/A 11600 lbf
10NBC1620YZP N/A 0.63 in N/A 1.25 in N/A 1 in N/A 0.032 in N/A 100 rpm N/A 18900 lbf
12NBC1822YZP N/A 0.75 in N/A 1.38 in N/A 1.125 in N/A 0.032 in N/A 100 rpm N/A 23900 lbf
14NBC2026YZP N/A 0.88 in N/A 1.63 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 30500 lbf
16NBC2028YZP N/A 1.00 in N/A 1.75 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 33900 lbf
20NBC2032YZP N/A 1.25 in N/A 2.00 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 37900 lbf
24NBC2036YZP N/A 1.50 in N/A 2.25 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 44200 lbf
28NBC2040YZP N/A 1.75 in N/A 2.50 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 50500 lbf
32NBC2044YZP N/A 2.00 in N/A 2.75 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 56800 lbf
36NBC2048YZP N/A 2.25 in N/A 3.00 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 63100 lbf
40NBC2052YZP N/A 2.50 in N/A 3.25 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 69400 lbf
44NBC2056YZP N/A 2.75 in N/A 3.50 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 75700 lbf
48NBC2060YZP N/A 3.00 in N/A 3.75 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 82000 lbf
52NBC2064YZP N/A 3.25 in N/A 4.00 in N/A 1.25 in N/A 0.032 in N/A 100 rpm N/A 88300 lbf
56NBC2070YZP N/A 3.50 in N/A 4.38 in N/A 1.25 in N/A 0.044 in N/A 100 rpm N/A 96700 lbf
64NBC2078YZP N/A 4.00 in N/A 4.88 in N/A 1.25 in N/A 0.044 in N/A 100 rpm N/A 109000 lbf
Unit of Measure
1 2