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Bearings
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Housings/housing Units
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Linear Technology
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Seals
FAG
Deep Groove Ball Bearings FAG 4309 -B-TVH
- Technical data
- Inner diameter
- 45 mm
- Outer diameter
- 100 mm
- Width
- 36 mm
- Material
- Standard bearing steel
- Ball rows
- Double row bearing
- Seal
- None, open bearing
- Cage
- Polyamide cage
- Clearance
- Normal radial clearance
- Running accuracy
- Tolerance class P0/PN2 / ABEC 1
- Current insulation
- No current insulation
- Bore
- Cylindrical bore
- Outer ring
- Without flange/groove
- Material of rolling elements
- Standard bearing steel
- Temperature range
- -30 to +120 °C
- Weight
- 1,21 kg
| Scale quantity | Your discount | Unit price |
|---|---|---|
| 10 | 7,94 € | 150,88 € |
| 20 | 15,87 € | 142,95 € |
Deep Groove Ball Bearings FAG 4309 -B-TVH
The FAG 4309 -B-TVH double-row deep-groove ball bearing, with dimensions of 45x100x36 mm and a polyamide cage, offers a robust solution for radial loads.
As a double-row radial ball bearing, the 4309 -B-TVH combines compact dimensions with a high load-carrying capacity for radial and axial forces. Manufactured from standard roller bearing steel 100Cr6, this roller bearing is characterised by its precise machining to tolerance class P0/PN (ABEC 1). Design engineers and maintenance personnel turn to this FAG rolling bearing model when single-row variants reach their load limits within the available installation space. The open bearing allows for targeted lubrication whilst the system is in operation.
What is the 4309 -B-TVH double-row deep groove ball bearing suitable for?
This double-row bearing is used wherever designs require higher radial loads than a single-row deep groove ball bearing of the same dimensions can accommodate. Typical applications can be found in general mechanical engineering, in gearbox stages and in industrial powertrains. Thanks to its open design without sealing washers, this version is particularly suitable for protected installation spaces, such as in enclosed gearbox housings. There, the rolling bearing benefits directly from the existing lubrication supply of the overall system.
What advantages does the TVH polyamide cage offer with this bearing?
The suffix ‘TVH’ denotes the integrated polyamide cage, which guides the rolling elements with precision. The material ensures elastic guidance of the balls and helps to reduce operating noise. With a permissible temperature range of -30 to +120 degrees, the component meets standard industrial requirements. As the 4309 -B-TVH deep groove ball bearing is manufactured with a standard radial clearance, it is suitable for standardised fit combinations on 45 mm shafts without exceptional thermal expansion.
What are the dimensions of the 4309 -B-TVH deep-groove ball bearing?
The main dimensions are a bore diameter of 45 mm, an outside diameter of 100 mm and a width of 36 mm. These dimensions mean that the bearing complies with standardised industrial dimensions. The outer ring is cylindrical in design and has neither a flange nor a ring groove, which allows it to be fitted into precisely matched housing bores.
Why is a double-row design chosen?
A double-row design features two rows of balls arranged side by side in the inner and outer rings. With a comparable outer diameter and bore diameter, it can withstand higher radial loads than single-row deep-groove ball bearings. Designers make use of this characteristic when the available diameter is limited but the load requires a higher load-carrying capacity.
Why does the 4309 -B-TVH deep-groove ball bearing have an open design?
Open bearings do not have integrated lip seals or cover plates. They are designed for applications where an external housing prevents the ingress of dirt, or where the lubricant is intended to circulate freely throughout the entire system. Before commissioning, this rolling bearing requires a suitable initial greasing or connection to an oil circulation system.
What does the abbreviation ‘TVH’ stand for in the name?
At FAG, the designation ‘TVH’ stands for a polyamide cage. This material is characterised by low friction and smooth running. Furthermore, the elastic cage material absorbs shock loads between the rolling elements. The permissible operating temperature range for this type of cage is between -30 and +120 degrees.
What is the clearance in the roller bearing?
The bearing is manufactured with standard radial clearance. This standard value ensures reliable concentricity at typical operating temperatures and with normal fit tolerances between the shaft and housing. This design is not intended to accommodate increased radial clearance, which facilitates precise shaft guidance in mechanical engineering.
What is the permissible temperature range for the 4309 -B-TVH deep-groove ball bearing?
This roller bearing has an operating temperature range of -30 to +120 degrees. The upper temperature limit is largely determined by the material of the polyamide cage. The standard rolling bearing steel 100Cr6 retains its dimensional stability within this range, ensuring that the bearing maintains its dimensional accuracy in temperature-controlled industrial environments.
Schaeffler Technologies AG & Co. KG
Industriestraße 1-3, 91074 Herzogenaurach, Germany
info.de@schaeffler.com, https://www.schaeffler.de/de/meta/impressum/
10020231