Three-Piece Thrust Bearings and Washers
INCH
- Specs
- Drawing
- Tolerance

Material:
Carbon Steel
• Washer - CR 1075 steel heat-treated to Rc 59-61
• Ball - Grade 100 S.A.E. 1018 steel with Rc 60 Minimum
• Retainer - HS nylon permitting continuous use up to 250°F
Stainless Steel
• Washer - Type 410 steel heat-treated to Rc 38-42
• Ball - Type 440C stainless steel with Rc 58-65
• Retainer - HS nylon permitting continuous use up to 250°F
NOTE:
Thrust bearings and washers are available individually. Contact the Customer Service Department for availability.
Click to see Thrust Bearing Load Ratings
(Dimensions in inches)

D | Thickness |
---|---|
.050 | .048 – .052 |
.062 | .060 – .064 |
.093 | .090 – .096 |
.125 | .120 – .130 |
CARBON STEEL
Catalog Number | Washer A Bore |
Washer A Tolerance |
Washer B O.D. |
Washer B Tolerance |
Washer D Thick. |
Ball C Ball Circle |
Ball Size |
Ball Qty |
Bearing E Height |
---|---|---|---|---|---|---|---|---|---|
BTHASY-012 | 1/8 | .128 – .133 | 7/16 | .430 – .437 | .050 | .281 | .0938 | 6 | .190 to .196 |
BTHASY-018 | 3/16 | .191 – .195 | 1/2 | .492 – .499 | .050 | .344 | .0938 | 7 | .190 to .196 |
BTHASY-025 | 1/4 | .253 – .258 | 9/16 | .555 – .562 | .050 | .406 | .0938 | 8 | .190 to .196 |
BTHASY-031 | 5/16 | .316 – .321 | 5/8 | .617 – .624 | .050 | .469 | .0938 | 9 | .190 to .196 |
BTHASY-037 | 3/8 | .378 – .383 | 13/16 | .805 – .812 | .062 | .594 | .1250 | 6 | .245 to .253 |
BTHASY-043 | 7/16 | .441 – .446 | 7/8 | .867 – .874 | .062 | .656 | .1250 | 7 | .245 to .253 |
BTHASY-050 | 1/2 | .503 – .508 | 15/16 | .930 – .937 | .062 | .719 | .1250 | 8 | .245 to .253 |
BTHASY-056 | 9/16 | .566 – .571 | 1 | .992 – .999 | .062 | .781 | .1250 | 9 | .245 to .253 |
BTHASY-062 | 5/8 | .628 – .635 | 1-1/8 | 1.115–1.124 | .093 | .875 | .1563 | 6 | .336 to .348 |
BTHASY-068 | 11/16 | .691 – .698 | 1-3/16 | 1.178–1.187 | .093 | .938 | .1563 | 7 | .336 to .348 |
BTHASY-075 | 3/4 | .753 – .760 | 1-1/4 | 1.240–1.249 | .093 | 1.000 | .1563 | 8 | .336 to .348 |
BTHASY-081 | 13/16 | .816 – .823 | 1-5/16 | 1.303–1.312 | .093 | 1.063 | .1563 | 9 | .336 to .348 |
BTHASY-087 | 7/8 | .878 – .885 | 1-3/8 | 1.365–1.374 | .093 | 1.125 | .1563 | 10 | .336 to .348 |
BTHASY-093 | 15/16 | .941 – .950 | 1-9/16 | 1.551–1.562 | .125 | 1.250 | .1875 | 9 | .427 to .447 |
BTHASY-100 | 1 | 1.003–1.012 | 1-5/8 | 1.613–1.624 | .125 | 1.313 | .1875 | 10 | .427 to .447 |
BTHASY-112 | 1-1/8 | 1.128–1.137 | 1-3/4 | 1.738–1.749 | .125 | 1.438 | .1875 | 12 | .427 to .447 |
BTHASY-125 | 1-1/4 | 1.253–1.262 | 1-7/8 | 1.863–1.874 | .125 | 1.563 | .1875 | 14 | .427 to .447 |
RFQ - BTHASY-150 | 1-1/2 | 1.503–1.512 | 2-1/8 | 2.113–2.124 | .125 | 1.813 | .1875 | 14 | .427 to .447 |
STAINLESS STEEL
Catalog Number | Washer A Bore |
Washer A Tolerance |
Washer B O.D. |
Washer B Tolerance |
Washer D Thick. |
Ball C Ball Circle |
Ball Size |
Ball Qty |
Bearing E Height |
---|---|---|---|---|---|---|---|---|---|
BTYASY-012 | 1/8 | .128 – .133 | 7/16 | .430 – .437 | .050 | .281 | .0938 | 6 | .190 to .196 |
BTYASY-018 | 3/16 | .191 – .195 | 1/2 | .492 – .499 | .050 | .344 | .0938 | 7 | .190 to .196 |
BTYASY-025 | 1/4 | .253 – .258 | 9/16 | .555 – .562 | .050 | .406 | .0938 | 8 | .190 to .196 |
BTYASY-031 | 5/16 | .316 – .321 | 5/8 | .617 – .624 | .050 | .469 | .0938 | 9 | .190 to .196 |
BTYASY-037 | 3/8 | .378 – .383 | 13/16 | .805 – .812 | .062 | .594 | .1250 | 6 | .245 to .253 |
BTYASY-043 | 7/16 | .441 – .446 | 7/8 | .867 – .874 | .062 | .656 | .1250 | 7 | .245 to .253 |
BTYASY-050 | 1/2 | .503 – .508 | 15/16 | .930 – .937 | .062 | .719 | .1250 | 8 | .245 to .253 |
BTYASY-056 | 9/16 | .566 – .571 | 1 | .992 – .999 | .062 | .781 | .1250 | 9 | .245 to .253 |
BTYASY-062 | 5/8 | .628 – .635 | 1-1/8 | 1.115–1.124 | .093 | .875 | .1563 | 6 | .336 to .348 |
BTYASY-068 | 11/16 | .691 – .698 | 1-3/16 | 1.178–1.187 | .093 | .938 | .1563 | 7 | .336 to .348 |
BTYASY-075 | 3/4 | .753 – .760 | 1-1/4 | 1.240–1.249 | .093 | 1.000 | .1563 | 8 | .336 to .348 |
BTYASY-081 | 13/16 | .816 – .823 | 1-5/16 | 1.303–1.312 | .093 | 1.063 | .1563 | 9 | .336 to .348 |
BTYASY-087 | 7/8 | .878 – .885 | 1-3/8 | 1.365–1.374 | .093 | 1.125 | .1563 | 10 | .336 to .348 |
BTYASY-093 | 15/16 | .941 – .950 | 1-9/16 | 1.551–1.562 | .125 | 1.250 | .1875 | 9 | .427 to .447 |
BTYASY-100 | 1 | 1.003–1.012 | 1-5/8 | 1.613–1.624 | .125 | 1.313 | .1875 | 10 | .427 to .447 |
BTYASY-112 | 1-1/8 | 1.128–1.137 | 1-3/4 | 1.738–1.749 | .125 | 1.438 | .1875 | 12 | .427 to .447 |
BTYASY-125 | 1-1/4 | 1.253–1.262 | 1-7/8 | 1.863–1.874 | .125 | 1.563 | .1875 | 14 | .427 to .447 |
BTYASY-150 | 1-1/2 | 1.503–1.512 | 2-1/8 | 2.113–2.124 | .125 | 1.813 | .1875 | 14 | .427 to .447 |