store Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
10 in stock
Double-row TNA tapered roller bearing assembly, 1.3750 in bore, 2.7170 in OD, 1.8126 in width. One 14276D double cup and two NA14138 cones, 3 Pcs.
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10 in stock
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| MFR / Brand | Timken |
|---|---|
| MPN | NA14138/14276D |
| Model | NA14138 / 14276 D |
| Bearing Type | Tapered Roller Bearing Assembly |
| ID | 1.3750 in (34.925 mm) |
| OD | 2.7170 in (69.012 mm) |
| Series | 14000 |
|---|---|
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 14276D |
| Design Units | Imperial |
| Bearing Material | Case-Carburized Steel |
| Cup Width | 1.5000 in (38.1 mm) |
| Cup Backface To Clear Radius | 0.03" |
| Cone Part Number | NA14138 |
| Cone Width | 0.7710" |
| Cone Backface To Clear Radius | 0.14" |
| Base Number | NA14138/14276D |
| Total Width | 1.8126 in (46.04 mm) |
| Overall Width | 1.8126 in (46.04 mm) |
| Mpn Variants | NA14138/14276D, NA14138-14276D, NA14138 14276D, 14138/14276D, 14276-D, NA 14138 |
| Compatible With Replaces | Timken NA14138 cone, Timken 14276D double cup |
| Arrangement Configuration | TNA double-row, non-adjustable: one double cup and two single cones |
| Precision Class | Not specified |
| Dynamic Load Rating C1 | 95,100 N (21,400 lbf) |
| Dynamic Axial Rating Ca90 | 9,260 N (2,080 lbf) |
| K Factor | 1.53 |
| E Factor | 0.38 |
| Dynamic Load Rating | 95,100 N |
| Precision Rating | Not specified |
| Rolling Elements | Tapered Roller |
| Item Weight | 0.7 kg (1.56 lb) |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Industry Terms | double row tapered roller bearing, TNA bearing, double cup with two cones, inch tapered roller bearing assembly, TDI bearing set |
| Common Misspellings | Timkin NA14138/14276D, NA 14138/14276 D, NA14138/14276, NA14183/14276D, NA14138/14267D |
Timken NA14138/14276D double-row tapered roller bearing assembly, TNA type (Tapered Double, non-adjustable). Three pieces: two NA14138 cones and one 14276D double cup. Unit Quantity: 3 Pcs. Cone Part Number: NA14138. Cup Part Number: 14276D.
NA — a cone furnished for two-row service, with the front face extended so the two cones abut one another and set the internal clearance without a separate inner ring spacer.
14138 — the cone base number, a 14000-series inch tapered roller cone on a 1.3750 in bore.
14276 — the cup base number, giving a 2.7170 in outside diameter.
D — a double cup: one outer ring carrying two raceways, taking two cones back to back.
TNA — Timken’s double-row non-adjustable construction, supplied with built-in clearance to a standard setting range.
Rolling Elements: Tapered Roller. Number Of Rows: 2. Bore Type: Straight. Design Units: Imperial. Bore Diameter: 1.3750 in (34.925 mm). Outside Diameter: 2.7170 in (69.012 mm). Overall Width (T): 1.8126 in (46.04 mm). Outer Ring Width (C): 1.5000 in (38.1 mm). Cone Width: 0.7710 in. Series: 14000. Bearing Material: Case-Carburized Steel. Item Weight: 0.7 kg (1.56 lb). Dynamic Load Rating (C1): 95,100 N (21,400 lbf). Dynamic Radial Load Rating single row (C90): 14,200 N (3,180 lbf). Dynamic Radial Load Rating two-row (C90-2row): 24,600 N (5,540 lbf). Dynamic Axial Rating (Ca90): 9,260 N (2,080 lbf). K Factor: 1.53. e Factor: 0.38. Y1 Factor: 1.77. Y2 Factor: 2.63.
Max Shaft Fillet Radius: 0.140 in (3.5 mm). Max Housing Fillet Radius: 0.03 in (0.8 mm). Shaft Backing Shoulder Diameter, backface (db): 1.81 in (46 mm). Housing Backing Shoulder Diameter, frontface (Da): 2.52 in (64 mm).
Components: Timken NA14138 cone (two pieces) and Timken 14276D double cup (one piece). Searchable forms of the number: NA14138/14276D, NA14138-14276D, NA14138 14276D, 14138/14276D, 14276-D and NA 14138.
Two NA14138 cones and one 14276D double cup, 3 Pcs, which is the full TNA double-row assembly as Timken builds it.
A double cup: one outer ring carrying two raceways that takes two cones back to back.
Bore 1.3750 in (34.925 mm), outside diameter 2.7170 in (69.012 mm), overall width 1.8126 in (46.04 mm).
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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