Partner ISO 9001 In-House Lab QC
BMT 629 Miniature Ball Bearing - Bore 9 mm OD 26 mm
Bore (d) 9 mm
Outer Dia (D) 26 mm
Width (B/T) Standard Width
WhatsApp
Miniature Ball Bearing

BMT 629 Bearing

Precision Metric Industrial Specification • High Speed & Load Dynamic Tolerances

Bore (d) 9 mm
Outer Dia (D) 26 mm
Width (B) Standard Width
Dyn Load (Cr) 4095 kN
ITC-HS Code 8482.10.00
Speed Limit 28800 RPM
Chat on WhatsApp

Metric Engineering Datasheet

Standard dimensional tolerances and load ratings for model 629:

Bearing No. 629
outer diameter (mm) 9
outer diameter (inch) 0.354
inner diameter (mm) 26
inner diameter (inch) 1.024
thinkness (mm) 8
thinkness (inch) 0.315
Load Rating Cr (N) 4095
Load Rating Cor (N) 1773
Max Speed Oil (r/min) 28800
Reference Weight (kg) 0.75

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.

ZZ Miniature Metal Shields

Ultra-thin precision pressed metal shields retaining micro-grease lubrication while preserving extremely low rotational torque in high-RPM miniature devices.

2RS Miniature Rubber Seals

Precision molded contact rubber seals protecting internal miniature ball raceways against dust, humidity, and atmospheric contaminants.

Flanged Outer Ring Option (F Series)

Outer ring with integrated locating flange to prevent axial movement in thin-wall housings, sheet metal brackets, and robotic chassis.

Stainless Steel (AISI 440C / SS)

Corrosion-resistant martensitic stainless steel construction for medical instruments, food processing, dental tools, and cleanroom environments.

Medical & Dental Drills
Precision Robotics & Servos
High-Speed Cooling Fans
Optical & Laboratory Instruments
Drone & Avionics Systems
Micro Machinery
Engineering Guide

Miniature Ball Bearing Suffix & Nomenclature Guide

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

ZZ Dual miniature metal dust shields
2RS Dual miniature contact rubber seals
F Flanged outer ring for easy axial location
SS / S AISI 440C stainless steel rings and balls
P5 / ABEC-5 High precision grade for low runout and high RPM
C3 Internal radial clearance for high-speed micro motors
FAQ

Frequently Asked Questions for Bearing 629

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

What are the exact dimensional parameters for bearing 629?
The standard metric dimensions for bearing 629 are a Bore Diameter (d) of 9 mm, Outer Diameter (D) of 26 mm, and a Width (B/T) of Standard Width under ITC-HS Code 8482.10.00. Detailed dynamic and static load ratings are outlined in the datasheet above.
What are the dynamic and static load ratings for bearing 629?
Bearing 629 is rated for a Dynamic Load (Cr) of 4095 kN and Static Load (Cor) of 1773 kN with limiting speed of 28800 RPM.
Can I order bearing 629 with custom clearance (C3) or high-temperature grease?
Yes. BMT Impex maintains ready stocks of bearing 629 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).
WhatsApp