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NA643/632D
Double Row Tapered Roller Bearing
NA643/632D
Double Row Tapered Roller Bearing
Measuring 69.85mm bore, 136.525mm OD, and 95.25mm width, the Timken NA643/632D is a robust double row tapered roller bearing. It is made from high quality chrome steel for maximum durability.
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Measuring 69.85mm bore, 136.525mm OD, and 95.25mm width, the Timken NA643/632D is a robust double row tapered roller bearing. It is made from high quality chrome steel for maximum durability.
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) | 69.85mm |
| Outer Diameter (D) | 136.525mm |
| Width (B) | 95.25mm |
NA643/632D
Double Row Tapered Roller Bearing
Technical Specifications
| Part Number | NA643/632D |
| Brand | Timken |
| Bearing Type | Double Row Tapered Roller Bearing |
| Material | Chrome Steel |
| Bore (Inner Diameter) | 69.85 mm |
| Outer Diameter | 136.525 mm |
| Width / Thickness | 95.25 mm |
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Technical Datasheet
Download full specifications for NA643/632D — dimensions, load ratings, and material data.
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About the Timken NA643/632D
The Timken NA643/632D, is a double row tapered roller bearing, featuring a 69.85mm bore, 136.525mm outer diameter, and 95.25mm width, manufactured from chrome steel, and is extended stock at Buy Bearings.
Measuring 69.85mm bore, 136.525mm OD, and 95.25mm width, the Timken NA643/632D is a robust double row tapered roller bearing. It is made from high quality chrome steel for maximum durability.
Key Specifications
The NA643/632D double row tapered roller bearing is specified with 69.85mm bore (inner diameter), 136.525mm outer diameter, 95.25mm width. The chrome steel construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
Double Row Tapered Roller Bearings are commonly used in:
About Double Row 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 NA643/632D from Buy Bearings?
- UK-authorised distributor with genuine Timken 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 NA643/632D bearing?
The NA643/632D is a Timken Double Row Tapered Roller Bearing with a 69.85mm bore, 136.525mm outer diameter and 95.25mm width. It is Extended Stock at Buy Bearings.
What are the NA643/632D dimensions?
The NA643/632D measures 69.85mm bore (inner diameter) × 136.525mm outer diameter × 95.25mm width.
Is the NA643/632D in stock?
The NA643/632D is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same double row tapered roller bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.
