National Precision Bearing 1600 Series Commercial Inch Ball Bearings
ISO Quality Registered
1600 Series Commercial Inch Ball Bearings
1600
Open		 1600Z
1 Shield		 1600ZZ
2 Shields		 1600RS
1 Contact Seal		 16002RS
2 Contact Seals		 1600NR
Retain. Ring, Groove on OD
1600 SERIES COMMERCIAL INCH BALL BEARINGS
NPB
Part No.
RFQ per item		 Bore Outside Diameter Width Radius
Inches		 Load Ratings Bearing
Weight
Lbs.
Frac. Inch Tol. +.0000
-.0050		 Tol. +.0000
-.0050		 Dynamic Static
Open Seal/Shield Open Seal/Shield
1601 3/16 .1875 11/16 .6875 *1/4 .2500 .012 294 146 .009
1602 1/4 .2500 11/16 .6875 *1/4 .2500 .012 294 146 .014
1603 5/16 .3125 7/8 .8750 **9/32 .2812 .012 464 228 .021
1604 3/8 .3750 7/8 .8750 **9/32 .2812 .015 464 228 .019
1605 5/16 .3125 29/32 .9062 5/16 .3125 .012 464 228 .037
1606 3/8 .3750 29/32 .9062 5/16 .3125 .015 464 228 .048
1607 7/16 .4375 29/32 .9062 5/16 .3125 .015 400 229 .049
1614 3/8 .3750 1 1/8 1.1250 3/8 .3750 .025 400 229 .077
1615 7/16 .4375 1 1/8 1.1250 3/8 .3750 .025 400 229 .071
1616 1/2 .5000 1 1/8 1.1250 3/8 .3750 .025 400 229 .066
1620 7/16 .4375 1 3/8 1.3750 7/16 .4375 .025 600 354 .100
1621 1/2 .5000 1 3/8 1.3750 7/16 .4375 .025 600 354 .106
1622 9/16 .5625 1 3/8 1.3750 7/16 .4375 .025 600 354 .101
1623 5/8 .6250 1 3/8 1.3750 7/16 .4375 .025 600 354 .088
1628 5/8 .6250 1 5/8 1.6250 1/2 .5000 .025 738 454 .159
1630 3/4 .7500 1 5/8 1.6250 1/2 .5000 .025 738 454 .143
1633 5/8 .6250 1 3/4 1.7500 1/2 .5000 .025 738 454 .203
1635 3/4 .7500 1 3/4 1.7500 1/2 .5000 .025 738 454 .187
1638 3/4 .7500 2 2.0000 9/16 .5625 .035 1100 709 .265
1640 7/8 .8750 2 2.0000 9/16 .5625 .035 1100 709 .247
1641 1 1.0000 2 2.0000 9/16 .5625 .035 1100 709 .221
1652 1 1/8 1.1250 2 1/2 2.5000 5/8 .6250 .035 1306 857 .463
1654 1 1/4 1.2500 2 1/2 2.5000 5/8 .6250 .035 1306 857 .419
1657 1 1/4 1.2500 2 9/16 2.5625 11/16 .6875 .035 1528 1021 .474
1658 1 5/16 1.3125 2 9/16 2.5625 11/16 .6875 .035 1528 1021 .441
* Width RS & 2RS = 5/16
** Width RS & 2RS = 5/16		 Material: Standard SAE 52100
Stainless Steel available upon request
The 1600 Series bearings are designed to be dimensionally interchangeable with standard domestic inch series bearings. They incorporate 52100 steel and ABEC1 tolerances, allowing them to offer economy with electric motor quality. Improved ball complement and close tolerances also increase their load capacity. This series is available in open, sealed and shielded configurations.
National Precision Bearing

NATIONAL PRECISION BEARING GROUP
of Mechatronics, Inc.

Phone: 800-426-8038 • 425-222-5900 • Fax: 425-222-5950
E-mail: sales@nationalprecision.com

Purchase Order Terms and Conditions

Copyright © 2000, National Precision Bearing, Inc.