Technical Resources

Mounted Bearing Selection Guide

Choose a mounted bearing by load, speed, shaft size, mounting style, locking method, seal type and environment, with the Sealmaster and Browning series carried for each.

Mounted Bearing Nomenclature

Decode common mounted bearing prefixes, suffixes, bore codes, and housing codes.

Pillow Block Bearing Sizes by Shaft Diameter

Pillow block dimensions by shaft size for Sealmaster NP, MP and MFP and Browning VPS and VPLS units: height to shaft center, bolt spacing, overall length and bolt size.

ER Insert Bearings Explained

What an ER insert bearing is, how the ER number states the shaft size, and the outer race diameter and housing bore of each size.

Sealmaster Gold Bearing Options

What each option suffix on a Sealmaster Gold mounted ball bearing means, and the standard features of every unit, in the manufacturer's own words.

Bearing Internal Clearance Codes

What C2, CN, C3 and C4 mean on a bearing number, the clearance range each covers by bore size, and how precision classes differ from clearance.

Bearing Lubrication Basics

Grease against oil for mounted bearings, what NLGI 2 means, which thickeners may be mixed, and how often to regrease by speed and temperature.

Shaft Size Conversion Chart & Calculator

Convert any shaft size between fractions, decimals, millimeters and bore suffixes, identify a shaft from a caliper reading, and find the parts that fit it.

V-Belt Sheave Sizes and Browning Sheave Numbers

How to read a Browning sheave number, with the outside, datum and pitch diameters and stock bores of the AK, BK, multiple-groove, combination-groove and Q-D ranges.

FHP V-Belt Sizes: 2L, 3L, 4L and 5L

What 2L, 3L, 4L and 5L mean on a fractional horsepower V-belt, the top width and depth of each section, and how a number such as 4L300 states its outside length.

Browning Q-D Bushing Sizes

The Q-D bushing series JA through P with the bore range, cap screws, wrench torque and torque capacity of each, and how a sheave number names the bushing it takes.

Shaft Coupling Types

Gear, grid, disc, elastomeric, jaw, chain and rigid couplings compared on torque, misalignment, speed and maintenance, and where each one is used.

Browning TorqTaper Plus Shaft Mount Reducers

Select a TorqTaper Plus reducer by motor horsepower, service factor class and output RPM, and complete the reducer and bushing part numbers.

Cross Reference Help

Cross-reference a mounted bearing, cam follower or coupling number between brands: which part of the number carries over, and what to check before ordering an equivalent.

Who Makes Sealmaster Bearings?

Sealmaster mounted bearings are made by Regal Rexnord: where the brand came from, its Gold line, and the unit types it covers.

Who Makes McGill Bearings?

McGill cam followers and needle bearings are made by Regal Rexnord: where the brand came from, and the CAMROL, TRAKROL, CAGEROL, GUIDEROL and SPHERE-ROL lines.

CAD & Datasheet Requests

Request drawings, datasheets, installation instructions, and product documentation.

Available on request -- contact us and we'll send this directly.