What are the exact dimensional parameters, tolerances and customs HS code for bearing 51280?

The standard metric dimensions for bearing 51280 are a Bore Diameter (d) of 400 mm, Outer Diameter (D) of 560 mm, and a Width (B/T) of 120 mm under ITC-HS Customs Code 8482.80.00. Sourced from ISO 9001 certified partner facilities and verified to ABEC-1 precision standards with SAE 52100 chrome steel.

What is the dispatch timeline and export capability for bulk orders of 51280?

We cater to all order sizes from small test batches to wholesale container shipments. Ready stock items ship on the same business day with express courier across India and global container export via Nhava Sheva (JNPT) / Mumbai Air Cargo.

How does BMT Impex ensure quality and test compliance for 51280?

All bearings are sourced exclusively from ISO 9001 certified manufacturing partners and undergo 100% pre-dispatch quality verification at our dedicated in-house testing labs by QC engineers, accompanied by official manufacturer test certificates (MTC).

Partner ISO 9001 In-House Lab QC

BMT 51280 Thrust Ball Bearing - Bore 400 mm OD 560 mm

Bore (d) 400 mm

Outer Dia (D) 560 mm

Width (B/T) 120 mm

Thrust Ball Bearing

BMT 51280 Bearing

Q: What are the dynamic and static load ratings for bearing 51280?

Bearing 51280 is rated for a Dynamic Load (Cr) of 1180 kN and Static Load (Cor) of 3490 kN with limiting speed of 220 RPM.

Precision Metric Industrial Specification • High Speed & Load Dynamic Tolerances

Bore (d) 400 mm

Outer Dia (D) 560 mm

Width (B) 120 mm

Dyn Load (Cr) 1180 kN

ITC-HS Code 8482.80.00

Speed Limit 220 RPM

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Metric Engineering Datasheet

Standard dimensional tolerances and load ratings for model 51280:

Bearing type	51280
d ( inner diameter)	400
D (Outer diameter )	560
T ( Width )	120
Grease lubrication	220
Oil lubrication	360
Dynamic Cr	1180
Static Cor	3490
Weight (kg)	90

SAE 52100 Grade Steel

Manufactured from ultra-clean high-carbon chromium steel (100Cr6), hardened to 60-64 HRC for exceptional fatigue life and resistance to subsurface cracking.

In-House QC & Testing Labs

100% pre-dispatch quality verification performed at our dedicated in-house testing laboratories by qualified QC engineers for dimensional runout, radial clearance, and noise testing.

Precision Class (P0 / P6 / P5)

Standard ABEC-1 (ISO Normal / P0) tolerance with optional P6/P5 precision grades for ultra-low vibration (V2/V3) and high rotational accuracy.

Thermal Stabilization

Dimensionally stabilized for continuous operating temperatures from -30°C to +120°C (standard), with high-temperature synthetic grease available up to +180°C.

Radial Clearance (CN / C3)

Available in Standard Normal Clearance (CN) for steady ambient operating environments or C3 Greater Clearance for thermal expansion.

Global Export & Trade Fairs

Export packaging ready for international supply via Nhava Sheva (JNPT) & Mumbai Air Cargo with upcoming planned participation in premier international trade expos.

Shaft & Housing Washers

Consists of a shaft washer (ground bore for interference shaft fit), a housing washer (larger clearance bore), and a caged precision ball set.

Pure Axial Load Capacity

Engineered exclusively to carry heavy axial thrust forces acting parallel to the shaft. Must not be subjected to radial loads.

Machined Brass or Steel Cage

Heavy-duty machined solid brass cage (M) or pressed sheet steel cage maintaining uniform ball spacing during high-speed rotation.

Spherical Aligning Seating (U Series)

Optional spherical housing washer and aligning seating ring to compensate for initial shaft-to-housing alignment errors.

Automotive Steering Pivots

Crane Hook Swivels

Vertical Centrifugal Pumps

Lathe Chuck Assemblies

Fluid Control Valves

Precision Screw Jacks

Engineering Guide

Thrust Ball Bearing Suffix & Nomenclature Guide

Standard manufacturing suffixes for Thrust Ball Bearing series when placing bulk orders or cross-referencing OEM parts:

511 / 512 Single-direction metric thrust ball bearing series

513 / 514 Heavy / Extra-heavy thrust ball bearing series

M Machined solid brass ball cage

FP Solid window type ball cage

U Spherical housing washer with aligning seating ring

P6 High precision axial runout tolerance

FAQ

Frequently Asked Questions for Bearing 51280

Everything you need to know regarding specifications, tolerances, delivery, and quality assurance:

What are the exact dimensional parameters for bearing 51280?

The standard metric dimensions for bearing 51280 are a Bore Diameter (d) of 400 mm, Outer Diameter (D) of 560 mm, and a Width (B/T) of 120 mm under ITC-HS Code 8482.80.00. Detailed dynamic and static load ratings are outlined in the datasheet above.

What are the dynamic and static load ratings for bearing 51280?

Bearing 51280 is rated for a Dynamic Load (Cr) of 1180 kN and Static Load (Cor) of 3490 kN with limiting speed of 220 RPM.

Can I order bearing 51280 with custom clearance (C3) or high-temperature grease?

Yes. BMT Impex maintains ready stocks of bearing 51280 in Standard Normal clearance (CN), C3 (extra clearance for thermal expansion), and specialty grease configurations for continuous industrial operation.

What is the minimum order quantity (MOQ) and dispatch timeline?

We supply both sample batch quantities and full wholesale container loads. Standard stock items ship on the same day with express logistics and pan-India freight coverage across all 28 states.

Are material test certificates and quality inspection reports provided?

Yes, all BMT shipments are sourced from ISO 9001 certified partner facilities and verified at our in-house testing labs by dedicated QC engineers, complete with manufacturer test certificates (MTC).