30306 Single-Row Tapered Roller Differential Bearing for Toyota
The 30306 single-row tapered roller differential bearing is a configurable B2B product for verified Toyota and Lexus differential pinion applications. Its 30 mm bore, 72 mm outside diameter, and 20.75 mm overall width provide the core dimensional match across the approved 30306 product cluster, including Timken 30306 and JTEKT/Koyo 30306JR reference configurations. Vehicle model, model year, drivetrain, axle position, final suffix, and supply scope must be confirmed during quotation.
30306 Single-Row Tapered Roller Differential Bearing Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DWB2302 |
| Part Number | 30306 |
| Bearing Structure | Metric single-row tapered roller bearing |
| Application | Differential pinion bearing for selected Toyota and Lexus vehicles |
| Reference Configuration | JTEKT/Koyo 30306JR for engineering data; Timken 30306 for differential pinion application and cone-and-cup assembly scope |
| Supply Scope | Complete tapered roller bearing cone-and-cup assembly for the Timken 30306 reference configuration |
| Bore Diameter | 30 mm |
| Outside Diameter | 72 mm |
| Overall Width | 20.75 mm |
| Cone Width | 19 mm for JTEKT/Koyo 30306JR |
| Cup Width | 16 mm for JTEKT/Koyo 30306JR |
| Reference Mass | 0.411 kg for JTEKT/Koyo 30306JR |
Important: Confirm the complete designation, 30 x 72 x 20.75 mm dimensions, cone-and-cup supply scope, vehicle model, model year, drivetrain, axle, and differential pinion position before ordering. Contact us for application and quotation confirmation.
DH Code & OE Reference Numbers
DH Code
DWB2302
Reference Numbers
Timken: 30306.
JTEKT/Koyo: 30306JR.
NSK: 30306J.
NTN: 4T-30306, NB30306.
SKF: 30306, 30306J, 30306J2, 30306 J2/Q, BR30306.
FAG: 30306-DY.
BCA: NB30306.
Beck/Arnley: 0513846, W72309.
National Bearings: 30306.
JTEKT/Koyo 30306JR Engineering Data
The following engineering values apply specifically to the JTEKT/Koyo 30306JR reference configuration. They are not universal values for every 30306 suffix or manufacturer equivalent.
| Engineering Field | Value / Detail |
|---|---|
| Basic Dynamic Load Rating | 74.4 kN |
| Basic Static Load Rating | 60.1 kN |
| Fatigue Load Limit | 9.00 kN |
| Grease-Lubricated Limiting Speed | 5,800 min-1 |
| Oil-Lubricated Limiting Speed | 7,700 min-1 |
| Effective Load Center | 15.7 mm |
| Minimum Ring Corner Radii | 1.5 mm |
Toyota and Lexus Differential Pinion Applications
The Timken 30306 reference configuration is cataloged as a differential pinion bearing for the following Toyota and Lexus model-year ranges. Fitment remains conditional on drivetrain, axle, exact pinion position, and the complete vehicle configuration.
- Toyota trucks and SUVs: 4Runner 1984-1995 and 2000; Land Cruiser 1967-1999; Pickup 1969-1995; RAV4 1996-2004; Sequoia 2001-2007; T100 1993-1998; Tacoma 1995, 2000, and 2004; Tundra 2000-2006.
- Toyota passenger cars and vans: Celica 1979-1987; Corolla 1973-1974 and 1980-1987; Corona 1967-1982; Cressida 1978-1980 and 1983-1992; Crown 1970; Mark II 1972-1976; Sienna 1998-1999; Starlet 1982-1984; Supra 1986-1992; Van 1984-1989; Van Wagon 1988.
- Lexus: GS300 2006; IS250 2006-2010; LX450 1996-1997; LX470 1998-2002.
Product Features
- The single-row tapered roller structure supports combined radial and axial loading in a compact differential pinion arrangement.
- The 30 x 72 x 20.75 mm envelope provides a practical dimensional checkpoint across verified Timken, JTEKT/Koyo, NSK, NTN, SKF, and FAG references.
- The Timken 30306 reference is supplied as a matched cone-and-cup assembly, helping purchasing teams define the required supply scope.
- Manufacturer-specific suffixes and engineering ratings remain separately scoped, allowing DUHUI to confirm the requested equivalent configuration during quotation.
30306 Ordering Verification
- Match the inquiry to Part Number 30306 and the required manufacturer-equivalent designation or suffix.
- Confirm the 30 mm bore, 72 mm outside diameter, 20.75 mm overall width, and complete cone-and-cup assembly requirement.
- Provide the Toyota or Lexus model, model year, drivetrain, axle, and differential pinion position for application checking.
- Confirm order quantity, product marking, and packaging requirements.
Product and Packaging Customization
DUHUI Bearing accepts bearing configuration, product marking, and packaging customization for approved B2B order quantities.
- Product marking: Custom logo, part number, graphic, or text.
- Packaging: Plastic bag, white box, color box, carton, or pallet.
Final suffix, dimensions, configuration, supply scope, marking, and packaging are confirmed during quotation.
Manufactured by DUHUI Bearing, a bearing manufacturer and supplier established in Zhejiang, China, in 2003. DUHUI supplies configurable 30306 tapered roller differential bearings for verified automotive aftermarket applications. Contact us to confirm the vehicle application, bearing configuration, quantity, and quotation requirements.
