MS27646 at a glance

Specification

Item	Value
Type	Airframe bearing, antifriction
Material	Airframe antifriction bearing
Status	Check the current issue of the standard before design use.

Dimension, in	-38	-39	-41
B — bore (+.0000 / -.0005)	.6250	.7500	1.0625
D — outside diameter (+.0000 / -.0005)	1.065	1.1875	1.5000
W — width of inner ring (+.000 / -.005)	.281	.281	.281
H — width of outer ring (+.000 / -.005)	.250	.250	.250
A — shoulder diameter, inner (approx.)	.777	.895	1.216
E — corner chamfer x 45° (+.020 / -.000)	.015	.015	.015
Radial limit — Radial limit load, lb	3280	3750	5000
Thrust limit — Thrust limit load, lb	1500	1700	2200
Rating, Case I — Radial load rating, lb, Case I (avg. life 10,000 complete 90° cycles)	1990	2050	2170
Rating, Case II — Radial load rating, lb, Case II (avg. life 10,000 complete 90° cycles)	1820	1900	2020

Dimensions in inches, loads in pounds, as tabulated; tolerances in the dimension names.

Dash numbers of the standard, each with its own link.

Part	Meaning
Format	MS27646-<dash>
Example	MS27646-38 — dash 38

Case I and Case II are the two radial load rating columns of the listing, for an average life of 10,000 complete 90° cycles.
Part numbers of the manufacturer (Mfg. P/N) are given as listed.

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MS27646 — Airframe Bearing, Antifriction, Extra Light Duty — nominal sizes and part numbers.