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

Material:
Carbon Steel
• Washer - CR 1075 steel heat-treated to HRC 59-61
• Ball - Grade 100 S.A.E. 1018 steel with HRC 60 Minimum
• Retainer - HS nylon permitting continuous use up to 120°C
Stainless Steel
• Washer - Type 410 steel heat-treated to HRC 38-42
• Ball - Type 440C stainless steel with HRC 58-65
• Retainer - HS nylon permitting continuous use up to 120°C
NOTE:
Thrust bearings and washers are available individually. Contact the Customer Service Department for availability.
Click to see Thrust Bearing Load Ratings
(Dimensions in mm)

S1 Tolerance |
|
---|---|
1.27 | (1.22–1.32) |
1.57 | (1.52–1.63) |
2.36 | (2.28–2.44) |
3.18 | (3.05–3.30) |
CARBON STEEL
Catalog Number | Washer d Bore |
Washer d Tolerance |
Washer B O.D. |
Washer B Tolerance |
Washer S1Δ Thick. |
Ball D1 Ball Circle |
Ball Size |
Ball Qty |
Bearing S Height |
---|---|---|---|---|---|---|---|---|---|
BTHASYM512X | 5 | 5.08 – 5.21 | 12 | 11.96 – 1 1.78 | 1.27 | 8.7 | 2.38 | 7 | 4.82 to 5.02 |
BTHASYM614X | 6 | 6.07 – 6.20 | 14 | 13.97 – 13.79 | 1.27 | 10.3 | 2.38 | 8 | 4.82 to 5.02 |
BTHASYM717X | 7 | 7.06 – 7.18 | 17 | 16.97 – 16.79 | 1.27 | 11.9 | 2.38 | 9 | 4.82 to 5.02 |
BTHASYM816X | 8 | 8.08 – 8.20 | 16 | 15.96 – 15.80 | 1.27 | 11.9 | 2.38 | 9 | 4.82 to 5.02 |
BTHASYM1021 | 10 | 10.06 – 10.19 | 21 | 20.96 – 20.78 | 1.57 | 15.1 | 3.18 | 6 | 6.22 to 6.44 |
BTHASYM1224 | 12 | 12.06 – 12.19 | 24 | 23.98 – 23.80 | 1.57 | 18.3 | 3.18 | 8 | 6.22 to 6.44 |
BTHASYM1628 | 16 | 16.07 – 16.26 | 28 | 27.97 – 27.74 | 2.36 | 22.2 | 4 | 6 | 8.56 to 8.88 |
BTHASYM1932 | 19 | 19.08 – 19.25 | 32 | 31.98 – 31.75 | 2.36 | 25.4 | 4 | 8 | 8.56 to 8.88 |
BTHASYM2541 | 25 | 25.07 – 25.30 | 41 | 40.97– 40.69 | 3.18 | 33.3 | 4.76 | 10 | 10.86 to 11.36 |
BTHASYM2844 | 28 | 28.07 – 28.30 | 44 | 43.97– 43.69 | 3.18 | 36.5 | 4.76 | 12 | 10.86 to 11.36 |
STAINLESS STEEL
Catalog Number | Washer d Bore |
Washer d Tolerance |
Washer B O.D. |
Washer B Tolerance |
Washer S1Δ Thick. |
Ball D1 Ball Circle |
Ball Size |
Ball Qty |
Bearing S Height |
---|---|---|---|---|---|---|---|---|---|
BTYASYM512X | 5 | 5.08 – 5.21 | 12 | 11.96 – 1 1.78 | 1.27 | 8.7 | 2.38 | 7 | 4.82 to 5.02 |
BTYASYM614X | 6 | 6.07 – 6.20 | 14 | 13.97 – 13.79 | 1.27 | 10.3 | 2.38 | 8 | 4.82 to 5.02 |
BTYASYM717X | 7 | 7.06 – 7.18 | 17 | 16.97 – 16.79 | 1.27 | 11.9 | 2.38 | 9 | 4.82 to 5.02 |
BTYASYM816X | 8 | 8.08 – 8.20 | 16 | 15.96 – 15.80 | 1.27 | 11.9 | 2.38 | 9 | 4.82 to 5.02 |
BTYASYM1021 | 10 | 10.06 – 10.19 | 21 | 20.96 – 20.78 | 1.57 | 15.1 | 3.18 | 6 | 6.22 to 6.44 |
BTYASYM1224 | 12 | 12.06 – 12.19 | 24 | 23.98 – 23.80 | 1.57 | 18.3 | 3.18 | 8 | 6.22 to 6.44 |
BTYASYM1628 | 16 | 16.07 – 16.26 | 28 | 27.97 – 27.74 | 2.36 | 22.2 | 4 | 6 | 8.56 to 8.88 |
BTYASYM1932 | 19 | 19.08 – 19.25 | 32 | 31.98 – 31.75 | 2.36 | 25.4 | 4 | 8 | 8.56 to 8.88 |
BTYASYM2541 | 25 | 25.07 – 25.30 | 41 | 40.97– 40.69 | 3.18 | 33.3 | 4.76 | 10 | 10.86 to 11.36 |
BTYASYM2844 | 28 | 28.07 – 28.30 | 44 | 43.97– 43.69 | 3.18 | 36.5 | 4.76 | 12 | 10.86 to 11.36 |