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30308-A
Tapered Roller Bearing
30308-A
Tapered Roller Bearing
Tapered Roller Bearing with Parallel Shaft
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This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
Tapered Roller Bearing with Parallel Shaft
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 40mm |
| Outer Diameter (D) | 90mm |
| Width (B) | 25.25mm |
30308-A
Tapered Roller Bearing
Technical Specifications
| Part Number | 30308-A |
| Brand | Schaeffler |
| Bearing Type | Tapered Roller Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Cross-Reference | 30308 |
| Bore (Inner Diameter) | 40 mm |
| Outer Diameter | 90 mm |
| Width / Thickness | 25.25 mm |
Enquire About the Schaeffler 30308-A
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Technical Datasheet
Download full specifications for 30308-A — dimensions, load ratings, and material data.
Equivalent part numbers from other manufacturers that can be used as direct replacements for 30308-A.
Engineering support
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About the Schaeffler 30308-A
The Schaeffler 30308-A, is a tapered roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 40mm bore, 90mm outer diameter, and 25.25mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
Tapered Roller Bearing with Parallel Shaft
Key Specifications
The 30308-A tapered roller bearing is specified with 40mm bore (inner diameter), 90mm outer diameter, 25.25mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel (sae 52100) construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
Tapered Roller Bearings are commonly used in:
About Tapered Roller Bearings
Tapered roller bearings use conical rollers and raceways to handle combined radial and axial loads. Their robust design provides high load capacity and stiffness, making them ideal for heavy-duty applications such as vehicle wheels and gearboxes.
Why Buy the 30308-A from Buy Bearings?
- UK-authorised distributor with genuine Schaeffler products
- Expert technical support from our engineering team
- Competitive pricing with fast UK dispatch
- Full technical datasheet and cross-reference support
- 30-day returns on standard products
Frequently Asked Questions
What is a 30308-A bearing?
The 30308-A is a Schaeffler Tapered Roller Bearing with a 40mm bore, 90mm outer diameter and 25.25mm width. It is In Stock at Buy Bearings.
What are the 30308-A dimensions?
The 30308-A measures 40mm bore (inner diameter) × 90mm outer diameter × 25.25mm width.
What does Open mean on a bearing?
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
What is the 30308-A cross-reference?
The 30308-A is interchangeable with 30308. Contact our team to confirm an exact equivalent for your application.
Is the 30308-A in stock?
The 30308-A is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same tapered roller bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.
Related Parts — Seals & Bushings
Matching seals and bushings for 40mm shaft diameter — complementary components for your bearing.
