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AS9120 & ISO9001 Approved

MIL-SPEC bearing definitions

M81820/1 Spherical bearing narrow type, with staking groove and Mil-B-81820 liner
M81820/2 Spherical bearing wide type, Mil-B-81820 liner
M81820/3 Spherical bearing wide type, with staking groove and Mil-B-81820 liner
M81820/4 Spherical bearing - narrow type, Mil-B-81820 liner
M81934/1- A Journal, Mil-B-81943 fabroid liner with 2024-T851 aluminum backing
M81934/1- C Journal, Mil-B-81943 fabroid liner with 17-4 PH steel backing
M81934/2- A Flanged journal, Mil-B-81943 fabroid liner with 2024-T851 aluminum backing
M81934/2- C Flanged journal, Mil-B-81943 fabroid liner with 17-4 steel backing
M81935/1 Rod end, male type, Mil-B-81820 liner, 4340 CAD plated body, 17-4 steel race, 440C steel ball
M81935/2 Rod end, female type, Mil-B-81820 liner, 4340 CAD plated body, 17-4 steel race, 440C steel ball
M81935/4 Rod end, male type, narrow type with Mil-B-81820 liner
M81935/5 Rod end, female type, narrow type, Mil-B-81820 liner
Mil-B-81936/1 Spherical bearing, 17-4 PH steel race, beryllium copper ball, staking groove, relubricatible
Mil-B-81936/1 R Spherical bearing, 17-4 PH steel race, beryllium copper ball, staking groove
Mil-B-81936/2 Spherical bearing, 17-4 PH steel race, beryllium copper ball, relubricatible
Mil-B-81936/2 R Spherical bearing, 17-4 PH steel race, beryllium copper ball
MS14101 Spherical bearing, narrow type, staking groove and Mil-B-81820 liner
MS14102 Spherical bearing, wide type with Mil-B-81820 liner
MS14103 Spherical bearing, wide type, staking groove, Mil-B-81820 liner
MS14104 Spherical bearing, narrow type, Mil-B-81820 liner
MS21150 Rod end with solid shank, ball bearing type
MS21151 Rod end, external thread, ball bearing type
MS21152 Rod end, hollow Shank, ball bearing type
MS21153 Rod end, internal thread, ball bearing type
MS21154B Spherical bearing, AL Bronze CAD Plated with staking groove
MS21154S Spherical bearing, 4340 CAD plated with staking groove
MS21155B Spherical bearing, AL Bronze CAD plated
MS21155S Spherical bearing, 4340 CAD plated
MS21230 Replaced by MS-14103
MS21231 Replaced by MS-14102
MS21232 Replaced by MS-14101
MS21233 Replaced by MS-14104
MS21240 Journal, Mil-B-8943 liner, fabroid, 17-4 PH backing
MS21240 Journal, Mil-B-8943 liner, fabroid, 7075-T6 backing
MS21241 Flanged journal, Mil-B-8943 liner, fabroid, 17-4 PH steel backing
MS21241 Flanged journal, Mil-B-8943 liner, fabroid, 7075-T6 aluminium backing
MS21242S Rod end, male type, fabroid liner, 4340 CAD plated body, 17-4 steel race, 440C steel ball
MS21243S Rod end, female type, fabroid liner, 4340 CAD plated body, 17-4 steel race, 440C steel ball
MS21428 Precision series single row ball bearing
MS21432 Track roller, stud type
MS21438 Track roller, single row, replaces NBF type
MS21439 Track roller, double row, replaces NBL type
MS21443 Single & double row ball bearing, pulley type
MS21447 Track roller, stud type, crowned outside roller
MS24461 Track roller, single row, thin cross section type
MS24463 Track roller, single row, self aligning type
MS24464 Track roller, double row, self aligning type
MS24465 Track roller, single row, replaced by ATF type
MS24466 Track roller, double row, replaced by ATL type
MS27640 Single row ball bearing, radial type
MS27640 R Single row ball bearing, radial type, precision
MS27641 Single row ball bearing, radial type narrow cross section
MS27641 R Single row ball bearing, radial type narrow cross section, precision
MS27642 Single row ball bearing
MS27642-S Precision series single row ball bearing
MS27643 Double row ball bearing, internal self aligning
MS27644 Double row ball bearing, radial type & "-W" wide
MS27645 &(-A) Single row ball bearing, internal self aligning
MS27646 Single row ball bearing, double sealed
MS27647 & (-G) Double row ball bearing, extra wide, & "G" relubricable
MS27648 Single row ball bearing, external self aligning
MS27649 Single row ball bearing, stainless steel
NAS659 Rod end, external thread, ball bearing
NAS659 Rod end, external thread, roller bearing
NAS660 Rod end, hollow shank, ball bearing
NAS660 Rod end, hollow shank, roller bearing

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