Double Row Radial Ball Bearings BIS Certification

Double row radial ball bearings are essentially two single-row deep groove ball bearings combined into one unit, sharing common inner and outer rings. With two rows of balls carrying the load together, they offer noticeably higher radial and combined load capacity and greater rigidity than a single-row bearing of similar bore - while still keeping a compact width.

This extra stiffness and load capacity makes them ideal where space is limited but loads are significant - agricultural machinery, gearboxes, pumps, electric motors, automotive components, and material-handling equipment. Because they are widely produced and imported, they are covered under the Bearings (Quality Control) Order, 2025 and now require the BIS ISI Mark under IS 6456:1972.

For the Indian market, the practical effect of the QCO is simple: from your enterprise category's deadline, every double row radial ball bearing you make, import, or sell must carry the ISI Mark or it becomes non-compliant. Because these bearings are common in agricultural and general-purpose machinery - sectors with huge domestic demand and heavy imports - certifying early protects your distribution channels, e-commerce listings, and OEM supply contracts. Standphill India handles the full IS 6456:1972 licence, including factory-audit readiness and lab testing, and helps MSME manufacturers claim the maximum marking-fee discount.

BIS-recognized laboratories evaluate double row radial ball bearing against IS 6456:1972 for:

• Dimensions & tolerances - bore, OD, width across both rows
• Material & hardness - bearing steel quality, ring and ball hardness
• Radial & axial clearance - within specified clearance groups
• Running accuracy - radial and axial runout limits
• Load rating - dynamic & static load performance
• Noise & vibration - within permissible smooth-running limits

Typical timeline: 8-14 weeks. Foreign manufacturers (FMCS) may take longer due to overseas audit scheduling.

• BIS application form (Manakonline)
• Factory registration proof
• MSME / Udyam certificate
• Manufacturing process flow chart
• List of machinery (grinding, heat treatment, assembly)
• List of in-house testing equipment
• Bearing steel grade details
• Product range & size designations
• Trademark / brand registration
• AIR appointment (foreign mfr.)
• BIS-recognized lab test report

Being an MSME under the Bearings QCO 2025 gives you two significant advantages: a longer compliance window (9 months for Small, 12 months for Micro) AND substantial discounts on BIS ISI Mark marking fees - the per-unit fee paid to BIS based on your annual production or import volume.

Standphill India is a global BIS consultancy that handles double row radial ball bearing certification end-to-end - from application and factory-audit preparation to lab testing and licence grant. We serve Indian manufacturers and overseas producers in China, Japan, Germany, the USA, and Korea with complete FMCS and Authorized Indian Representative services. BIS consultancy services all over the world.