SKF 30307-J2/Q is a metric single-row tapered roller bearing with an inner diameter of 35 mm, an outer diameter of 80 mm, and an overall width of 22.75 mm. It belongs to the SKF 303 series of bearings. Tapered roller bearings are designed to handle combined loads (radial and axial), offering high load capacity and rigidity. They are widely used in automotive drivetrains, industrial gearboxes, and similar applications.
Core Parameters
Parameter Value Description
Inner Diameter (d) 35 mm Shaft diameter
Outer Diameter (D) 80 mm Bearing housing bore
Overall Width (T) 22.75 mm Installation width
Dynamic Load Rating (Cr) 72.1 kN Dynamic load capacity
Static Load Capacity (Cor) 73.5 kN Static load capacity
Fatigue Load Limit (Pu) 8.5 kN Fatigue load capacity
Reference Speed 10,000 rpm Under oil lubrication conditions
Limit Speed 9,000 rpm Under grease lubrication conditions
Weight 0.56 kg Single set weight
CHIK Bearings is a comprehensive bearing enterprise integrating bearing manufacturing and imported bearing sales. We are both a manufacturer of high-quality CHIK brand bearings and an authorized SKF distributor, with over 15 years of experience in the bearing industry serving customers nationwide and in overseas markets.
Dual Advantages—Manufacturer + Authorized Distributor
Advantage Description
Manufacturer Advantage Own factory enabling custom non-standard bearings with controllable costs
SKF Distributor Advantage 100% genuine products, official procurement channels, strong price competitiveness
Manufacturing Capabilities
Item Description
Factory Area 8,000+ square meters
Production Lines 5 automated bearing production lines
Annual Capacity 5 million+ sets of various bearings
Quality System ISO 9001 certified
Testing Equipment 30+ precision inspection instruments
Inventory Strength
Item Description
Warehouse Area 2000+ square meters
SKF Stocked Models 3000+ types
CHIK Stocked Models 2000+ types
Stock Quantity 500,000+ sets
Professional Team
Team Members Responsibilities
Sales Engineers 8 Selection, quoting, order tracking
Technical Support 5 Technical consultation, fault analysis
After-Sales Service 4 After-sales resolution, customer follow-ups
Quality Inspection Team 6 Incoming material inspection, outgoing shipment inspection
Price Advantage
CHIK Owned Brand: Factory direct sales, exceptional cost-performance ratio
SKF Imported Brand: Bulk procurement, highly competitive pricing
Long-term Clients: Enjoy tiered pricing discounts
Serving Clients
Our clients span:
Automotive Parts Manufacturers
Gearbox Producers
Construction Machinery Manufacturers
Electric Motor Manufacturers
Agricultural Machinery Manufacturers
Maintenance, Repair & Operations (MRO) Market
Export Trading Companies
VIII. Purchase Guidelines
Model Verification: Confirm required model is SKF 30307-J2/Q (ID 35mm, OD 80mm, Width 22.75mm)
Inventory Inquiry: For bulk orders, please contact us in advance to confirm stock availability.
Invoice Issuance: We can issue both VAT special invoices and general invoices.
Sample Support: We accommodate small sample orders to meet customer testing requirements.
CHIK Substitution: For cost-effective alternatives, we offer corresponding models from the CHIK brand.
Customization Services: For special packaging, specialized lubricants, or other custom needs, please contact customer service for consultation.
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