India's Most Trusted
Plummer Block Brand
One-stop solution for Bearing Housing, Accessories and Casting Components — backed by state-of-the-art manufacturing facilities and 24+ years of excellence.
Product RangeOur Story
Balaji Technomech Pvt. Ltd. is the manufacturer of ARUN Plummer-block Bearing Housings — the most renowned and highly used bearing housing in the sector. With more than 24 years of experience, we have acquired a high reputation in the market, enabling long-term relationships with reputed blue-chip customers spread all over India.
The unparalleled combination of extremely experienced human force and well-spread infrastructure helps us develop any type of customised plummer block as per customer's drawings. This unique strength lets us serve industries including Cement Plants, Industrial Fans, Paper Plants, Power & Steel Plants, Boilers, Material Handling, Rolling Mills, Mining Industries and Crushers.
Explore Our 14 Product Series
Precision-engineered plummer block housings for every industrial application — from standard split housings to heavy-duty flanged units for the most demanding environments.
SN Series
Horizontally split, two-bolt cap design. Compatible with self-aligning ball & spherical roller bearings. Grease lubricated with felt or labyrinth seals.
Explore Series
SNA Series
Horizontally split with versatile base hole options — elongated or round. Four sealing arrangements: TG, TA, TC and TS for varied environments.
Explore Series
SNH Series
Horizontally split housing supporting both grease and oil lubrication. Four seal options and versatile base hole configurations for heavy-duty use.
Explore Series
SOFN Series
Built for high-speed and high-temperature applications. Oil ring lubrication, labyrinth seals and four shaft configurations: AL, AF, BL, BF.
Explore Series
SD 3100 Series
Horizontal split housing for spherical roller bearings series 23100. Grease or oil lubrication with labyrinth seals (TS) and eye bolt handling.
Explore Series
SD Series
Horizontal split for spherical roller bearings 22200 & 22300 series. Supports grease or oil lubrication with choice of felt or labyrinth seals.
Explore Series
LOE Series
Designed for high-speed and high-temperature use. Oil ring lubrication, labyrinth seals, 22200 & 22300 C3 clearance bearings with AL/AF/BL/BF types.
Explore Series
SDAF Series
Engineered for the heaviest loads and shock conditions. Horizontal labyrinth seals for maximum effectiveness in dusty environments. Grease or oil.
Explore Series
SAF Series
Heaviest loads and shocks with the widest bearing compatibility — SAB (1200, 1300, 2200) and SRB (22200, 23200, 22300, 21300). Horizontal labyrinth seals.
Explore Series
SN 3000 Series
Horizontal split housing for spherical roller bearings of the 230 series. Grease or oil lubrication with felt (FS) and labyrinth (TS) seal options.
Explore Series
SNL Series
Supports SRB and CARB bearings for shaft diameters 20–160mm. Five sealing options including Taconite seal for extreme dusty conditions.
Explore Series
SNL 3100/3000 Series
Four-bolt cap heavy-duty housing for large shaft diameters 150–340mm. CARB and spherical roller bearings. Labyrinth and Taconite seals.
Explore Series
TVN Series
One-piece housing with top-side mounting pad for light rail-bound trucks. Shaft range 20–75mm. Dual felt seals on both sides. Grey cast iron.
Explore Series
7225.. Series
Flanged housing for face-mounting to structures. Adapter sleeve mounting for SRB 22200 & 22300 C3 bearings. Grease lubricated with felt seals.
Explore SeriesEngineering Quality
You Can Rely On
Every ARUN plummer block housing is designed, cast and tested to deliver consistent performance — no matter the industry, load or environment.
Horizontally Split Design
All standard plummer block series feature a precision horizontally split housing — enabling bearing inspection, replacement and maintenance without dismounting the shaft.
Wide Bearing Compatibility
ARUN housings are engineered to accept self-aligning ball bearings, spherical roller bearings and CARB bearings — covering shaft diameters from 20mm to 340mm.
Flexible Mounting Options
Direct mounting for cylindrical bore bearings and Adapter Sleeve mounting for tapered bore bearings — both supported across the full product range for versatile installation.
Fixed & Expansion Types
Fixed/Locating type using locating rings for fixed bearing positions. Free/Expansion type without locating rings for floating positions — accommodating thermal shaft expansion.
Grease & Oil Lubrication
Series available with grease lubrication, oil ring lubrication or both — all with re-lubrication capability. Optimised for everything from standard to high-speed high-temperature applications.
Multiple Sealing Options
Extensive sealing range: Felt seal (TC/FS), Double-lip seal (TG), V-Ring (TA), Labyrinth seal (TS), Horizontal Labyrinth and Taconite seal for the most extreme dusty environments.
Heavy Load & Shock Rated
SDAF and SAF series are specifically designed for the heaviest industrial loads and shock conditions — used in steel plants, mining, rolling mills and heavy material handling.
High Speed & High Temp
SOFN and LOE series feature oil ring lubrication and precision labyrinth seals — engineered specifically for applications with elevated speeds and continuous high operating temperatures.
Eye Bolt Handling
Integrated eye bolt provision on larger housing sizes for safe and convenient lifting during installation — standard across SN, SNA, SNH, SOFN, SNL and all major series.
Shaft End Configurations
SOFN and LOE series support four shaft configurations: Shaft End Non-Locating (AL), Shaft End Locating (AF), Through Shaft Non-Locating (BL) and Through Shaft Locating (BF).
One-Piece & Flanged Options
Beyond split housings — TVN series offers a rigid one-piece design for rail applications, while the 7225.. series provides flanged housings for direct face-mounting to structures.
Custom Manufacturing
As per customer drawings or independently designed — any non-standard size, special material grade, sealing arrangement or mounting configuration is available on request.
Exporting to
40+ Countries Worldwide
ARUN plummer block housings are trusted by industries across six continents — from steel plants in Europe to mining operations in Africa and paper mills across Asia-Pacific.