store 
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
Availability:
3 in stock
Double-row deep groove ball bearing, 55 x 120 x 43 mm, open, glass-fibre reinforced polyamide (PA66) cage, carries axial load in both directions. 1 Pc.
List Price
$164.99
3 in stock
On the Shelf & Ready to Ship
Ships same day by 6pm ET
No Risk, No Hassle
| MFR / Brand | SKF |
|---|---|
| MPN | 4311-ATN9 |
| Model | 4311 ATN9 |
| Bearing Type | Deep Groove Ball Bearing, Open |
| ID | 55 mm |
| OD | 120 mm |
| Width | 43 mm |
| Material | Bearing Steel |
|---|---|
| Series | 4300 |
| Base Number | 4311 |
| Industry Terms | double row deep groove ball bearing, double row ball bearing, 4300 series bearing, polyamide cage bearing, open ball bearing |
| Common Misspellings | SKF 4311ATN-9, 4311 A TN 9, SKF 4311 ATN90, SFK 4311ATN9, 4311ATNP |
| Application Types | Gearbox intermediate shafts, pulley and sheave mounts, electric motor drive ends, agricultural drives |
| Bore Shaft Size | 55 mm (2.1654 in) |
| Mpn Variants | 4311-ATN9, 4311ATN9, 4311 ATN9, 4311 A TN9, 4311A-TN9, 4311 |
| Manufacturer Status | SKF active production |
| Rolling Elements | Ball |
| Cage Material | Glass-fibre reinforced polyamide (PA66) |
| Number Of Rows | 2 |
| Bore Type | straight |
| Snap Ring Included | No |
| Internal Clearance | CN |
| Harmonization Code | 8482.10.50 |
| Part Number | 4311-ATN9 |
| Closure Type | Open |
| Cross Reference 1 | FAG 4311-B-TVH |
|---|---|
| Cross Reference 2 | NSK 4311B |
| Cross Reference 3 | NTN 4311 |
SKF 4311 ATN9 double-row deep groove ball bearing. Bore 55 mm, outside diameter 120 mm, width 43 mm. Open on both faces, glass-fibre reinforced polyamide cage. Sold as 1 Pc, bearing only.
43 — SKF double-row deep groove ball bearing series.
11 — bore code, 55 mm bore, 120 mm outside diameter, 43 mm width.
A — SKF design variant, rings without filling slots.
TN9 — glass-fibre reinforced polyamide (PA66) cage.
Bore Diameter: 55 mm (2.1654 in). Outside Diameter: 120 mm (4.7244 in). Width: 43 mm (1.6929 in). Number of Rows: 2. Rolling Elements: Ball. Cage Material: Glass-fibre reinforced polyamide (PA66). Closure Type: Open. Internal Clearance: CN. Unit Quantity: 1 Pc.
Straight bore, open faces, no seals, shields or snap ring. Axial load is carried in both directions.
Cross-references: FAG 4311-B-TVH, NSK 4311B, NTN 4311. SKF 6311 is a single-row bearing with the same 55 x 120 mm bore and outside diameter and a 29 mm width.
Bore 55 mm, outside diameter 120 mm, width 43 mm.
A glass-fibre reinforced polyamide (PA66) cage.
Open on both faces with normal (CN) internal clearance.
Many industrial loads need torque an electric motor can’t deliver on its own, at a
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
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
Sort
Brand
Price
MPN
Categories
