Gearmotors: What They Are and How to Size a Replacement
Many industrial loads need torque an electric motor can’t deliver on its own, at a
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FAG 21308E1TVPB spherical roller bearing, 40 x 90 x 23 mm, cylindrical bore, polyamide cage, normal clearance. 109,000 N dynamic, 9,800 rpm.
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| MFR / Brand | FAG |
|---|---|
| MPN | 21308E1TVPB |
| Model | 21308-E1-TVPB |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 40 mm |
| OD | 90 mm |
| Width | 23 mm |
| Series | 213 |
|---|---|
| Lubricant | Grease or oil |
| Min Temp | -30 °C |
| Cage Type | Solid window cage |
| Dynamic Load Rating | 109,000 N |
| Static Load Rating | 107,000 N |
| Rolling Elements | Spherical Roller |
| Max Temp | 120 °C |
| Item Weight | 0.68 kg (1.50 lb) |
| Cage Material | Glass-fibre reinforced polyamide |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Relubrication Feature | Lubrication groove and 3.2 mm hole in outer ring |
| Harmonization Code | 8482.30.00.80 |
| Internal Clearance | CN |
| Limiting Speed | 9,800 rpm |
| Base Number | 21308 |
| Industry Terms | spherical roller bearing, self-aligning roller bearing, X-life, polyamide cage, 213 series |
| Common Misspellings | 21308 E1 TVPB, 21308E1-TVPB, 2308E1TVPB |
| Application Types | Gearboxes, pumps, fans, conveyors, vibrating equipment |
| Overall Width | 23 mm |
| Mpn Variants | 21308-E1-TVPB, 21308E1TVPB, 21308-E1-XL-TVPB, 21308E1TVPBW33, 21308-E1-TVPB-W33, 21308E |
| Compatible With Replaces | Current designation: FAG 21308-E1-XL-TVPB |
| Additional Attributes | Reference Speed 5,200 rpm; min shaft shoulder 49 mm; max housing shoulder 81 mm; max fillet radius 1.5 mm; lubrication hole 3.2 mm; groove width 4.8 mm |
| Closure Type | Open |
| Cross Reference 1 | SKF 21308 E |
|---|---|
| Cross Reference 2 | NSK 21308EAE4 |
| Cross Reference 3 | NTN 21308EAD1 |
| Cross Reference 4 | Timken 21308EJW33 |
| Cross Reference 5 | Koyo 21308RHRW33 |
FAG 21308E1TVPB (21308-E1-TVPB, current designation 21308-E1-XL-TVPB) is a double-row spherical roller bearing with a cylindrical bore and a glass-fibre reinforced polyamide cage. Bore Diameter: 40 mm. Outside Diameter: 90 mm. Overall Width: 23 mm. Series: 213. Internal Clearance: CN. Unit Quantity: 1 Pc.
21308 — spherical roller bearing, dimension series 213, bore code 08 = 40 mm.
E1 — FAG reinforced internal design, the current X-life execution.
TVPB — solid window cage of glass-fibre reinforced polyamide.
No clearance suffix — normal radial internal clearance (CN).
Bearing Type: Spherical Roller Bearing. Bore Diameter: 40 mm. Outside Diameter: 90 mm. Overall Width: 23 mm. Rolling Elements: Spherical Roller. Number Of Rows: 2. Bore Type: Straight (cylindrical). Closure Type: Open. Cage Material: Glass-fibre reinforced polyamide. Cage Type: Solid window cage. Internal Clearance: CN. Dynamic Load Rating: 109,000 N. Static Load Rating: 107,000 N. Limiting Speed: 9,800 rpm. Reference Speed: 5,200 rpm. Item Weight: 0.68 kg (1.50 lb). Operating temperature range: -30 to 120 °C. Lubricant: grease or oil. Relubrication Feature: lubrication groove and 3.2 mm hole in the outer ring. Harmonization Code: 8482.30.00.80.
Minimum shaft shoulder diameter: 49 mm. Maximum housing shoulder diameter: 81 mm. Maximum fillet radius: 1.5 mm. Minimum chamfer: 1.5 mm. Lubricating groove width: 4.8 mm. Lubrication hole: 3.2 mm.
Current Schaeffler designation: FAG 21308-E1-XL-TVPB. Same 40 x 90 x 23 mm envelope: SKF 21308 E, NSK 21308EAE4, NTN 21308EAD1, Timken 21308EJW33 and Koyo 21308RHRW33. Searchable forms: 21308-E1-TVPB, 21308E1TVPB, 21308-E1-XL-TVPB, 21308E1TVPBW33, 21308-E1-TVPB-W33, 21308E.
Cage Material: Glass-fibre reinforced polyamide, a solid window cage (TVPB).
Bore Diameter: 40 mm. Outside Diameter: 90 mm. Overall Width: 23 mm.
FAG 21308-E1-XL-TVPB.
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