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BOWMET

BOWMET is a manufacturer of split cylindrical roller bearings, a product category designed for applications where bearing replacement or maintenance access is constrained by adjacent shaft-mounted components. Unlike solid bearings, split bearings allow the inner ring, outer ring, and cage assembly to be installed or removed without disturbing the shaft or other equipment, reducing downtime in industrial machinery. BOWMET’s product line centers on two functional variants: expansion (ESC/ESCP) and fixed (FSC) split cylindrical roller bearings. Expansion bearings accommodate axial thermal expansion of the shaft by allowing one ring to move axially relative to the other, while fixed bearings locate the shaft axially in both directions. Both types use a cylindrical roller geometry that provides high radial load capacity and moderate axial load capacity, suitable for heavy-duty rotating equipment such as conveyors, fans, pumps, and mill drives. BOWMET bearings are constructed with steel rings and nylon cages, the latter offering low friction, good wear resistance, and compatibility with moderate operating temperatures. The bearings are identified by industry numbers (e.g., 108, 200, 300, 400, 500, 600) that correspond to standardized dimensional series, and they are available in both inch and metric bore sizes—ranging from 1 11/16 in (43 mm) to 4 3/4 in (120 mm) and 30 mm to 160 mm, with outside diameters up to 558 mm. The split design typically includes a bolted flange or clamping mechanism to secure the two halves of the outer ring, and the bearings are supplied as complete assemblies. BOWMET does not publish IP ratings or specific environmental certifications for these bearings; the standard construction is intended for general industrial environments with moderate contamination and temperature. For applications requiring higher sealing or corrosion resistance, users should consult the manufacturer for optional modifications. 3G Electric stocks over 268 SKUs of BOWMET split cylindrical roller bearings, covering a broad range of bore sizes and both expansion and fixed configurations. This inventory supports maintenance, repair, and operations (MRO) procurement for plant engineers and maintenance managers who need to replace bearings in existing equipment without redesigning the shaft assembly. 3G Electric provides logistics support for global shipment, ensuring that replacement bearings reach facilities in sectors such as mining, cement, steel, pulp and paper, and bulk material handling. The catalog includes both inch and metric series, allowing direct substitution for common bearing industry numbers. For procurement specialists, the key technical parameters to verify are bore diameter, outside diameter, width, and whether the application requires an expansion or fixed bearing. BOWMET’s nylon cage material is standard; if metal cages are needed for higher temperature or speed, alternative suppliers may be required. 3G Electric does not modify or customize BOWMET bearings but offers the full standard range for direct ordering.

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We can quote and supply BOWMET Split Cylindrical Roller Bearings in Singapore on request. Tell us the model and quantity, and we'll come back with availability + pricing.

About BOWMET

BOWMET is a manufacturer of split cylindrical roller bearings, a product category designed for applications where bearing replacement or maintenance access is constrained by adjacent shaft-mounted components. Unlike solid bearings, split bearings allow the inner ring, outer ring, and cage assembly to be installed or removed without disturbing the shaft or other equipment, reducing downtime in industrial machinery. BOWMET’s product line centers on two functional variants: expansion (ESC/ESCP) and fixed (FSC) split cylindrical roller bearings. Expansion bearings accommodate axial thermal expansion of the shaft by allowing one ring to move axially relative to the other, while fixed bearings locate the shaft axially in both directions. Both types use a cylindrical roller geometry that provides high radial load capacity and moderate axial load capacity, suitable for heavy-duty rotating equipment such as conveyors, fans, pumps, and mill drives. BOWMET bearings are constructed with steel rings and nylon cages, the latter offering low friction, good wear resistance, and compatibility with moderate operating temperatures. The bearings are identified by industry numbers (e.g., 108, 200, 300, 400, 500, 600) that correspond to standardized dimensional series, and they are available in both inch and metric bore sizes—ranging from 1 11/16 in (43 mm) to 4 3/4 in (120 mm) and 30 mm to 160 mm, with outside diameters up to 558 mm. The split design typically includes a bolted flange or clamping mechanism to secure the two halves of the outer ring, and the bearings are supplied as complete assemblies. BOWMET does not publish IP ratings or specific environmental certifications for these bearings; the standard construction is intended for general industrial environments with moderate contamination and temperature. For applications requiring higher sealing or corrosion resistance, users should consult the manufacturer for optional modifications. 3G Electric stocks over 268 SKUs of BOWMET split cylindrical roller bearings, covering a broad range of bore sizes and both expansion and fixed configurations. This inventory supports maintenance, repair, and operations (MRO) procurement for plant engineers and maintenance managers who need to replace bearings in existing equipment without redesigning the shaft assembly. 3G Electric provides logistics support for global shipment, ensuring that replacement bearings reach facilities in sectors such as mining, cement, steel, pulp and paper, and bulk material handling. The catalog includes both inch and metric series, allowing direct substitution for common bearing industry numbers. For procurement specialists, the key technical parameters to verify are bore diameter, outside diameter, width, and whether the application requires an expansion or fixed bearing. BOWMET’s nylon cage material is standard; if metal cages are needed for higher temperature or speed, alternative suppliers may be required. 3G Electric does not modify or customize BOWMET bearings but offers the full standard range for direct ordering.

Common Applications

  • Conveyor systems — BOWMET BSBA E308 ESCP expansion bearing used on long belt conveyor head shafts to accommodate thermal expansion.
  • Mining equipment — BOWMET BSBA E111 FSC fixed bearing installed on crusher drive shafts for radial load support and axial location.
  • Cement plant kiln drives — BOWMET BSBA M160 ESCP expansion bearing on kiln support rollers to handle high-temperature shaft growth.
  • Pulp and paper machinery — BOWMET BSBA E211 ESC expansion bearing on dryer roll shafts for maintenance access without shaft removal.
  • Steel mill roller tables — BOWMET BSBA M40 FSC fixed bearing on table rollers for precise axial positioning under heavy radial loads.
  • Bulk material handling — BOWMET BSBA E412 ESC expansion bearing on stacker-reclaimer conveyor pulleys for reliable operation in dusty environments.

Frequently asked questions

Common questions about BOWMET from 3G Electric.

What is the difference between BOWMET expansion (ESC/ESCP) and fixed (FSC) split cylindrical roller bearings?

BOWMET expansion bearings (designated ESC or ESCP) allow axial movement of the shaft relative to the bearing housing, accommodating thermal expansion or contraction. The inner ring is free to slide axially on the shaft or within the outer ring assembly. Fixed bearings (FSC) locate the shaft axially in both directions, preventing axial displacement. In applications with significant temperature changes, such as long conveyor shafts or kiln drives, expansion bearings are typically used on one support point while fixed bearings are used on the other to control shaft growth.

What cage material does BOWMET use in its split cylindrical roller bearings?

BOWMET split cylindrical roller bearings are manufactured with nylon cages as standard. Nylon (polyamide) cages offer low friction, good wear resistance, and the ability to operate at moderate temperatures (typically up to 120°C continuous). They are lighter than metal cages and provide good damping of vibration. For applications requiring higher temperature resistance or chemical compatibility, metal cages (brass or steel) may be needed, but BOWMET does not list those as standard options in the catalog. Verify with the manufacturer if alternative cage materials are required.

What bore sizes and industry numbers are available for BOWMET split cylindrical roller bearings?

BOWMET split cylindrical roller bearings are available in both inch and metric bore sizes. Inch bore sizes range from 1 11/16 in to 4 3/4 in, and metric sizes from 30 mm to 160 mm. The bearings are identified by industry numbers such as 108, 200, 300, 400, 500, and 600, which correspond to standardized dimensional series. For example, industry number 108 typically has a 40 mm bore, while 600 has a 160 mm bore. Outside diameters range up to 558 mm. 3G Electric stocks over 268 SKUs covering these sizes.

Can BOWMET split cylindrical roller bearings be used in high-speed applications?

Split cylindrical roller bearings are generally not designed for high-speed operation compared to deep groove ball bearings or angular contact bearings. BOWMET bearings with nylon cages have moderate speed limits due to the cage material's thermal and mechanical constraints. For high-speed applications, consult the manufacturer's speed ratings for the specific bearing size and series. In general, these bearings are intended for moderate to low speeds typical of industrial equipment like conveyors, fans, and mill drives.

How do I select between a BOWMET expansion bearing and a fixed bearing for my application?

Select an expansion bearing (ESC/ESCP) when the shaft is expected to expand or contract axially due to temperature changes, or when the bearing housing cannot be precisely aligned axially. Use a fixed bearing (FSC) when the shaft must be held in a fixed axial position relative to the housing, such as at a drive end or where axial loads are present. In a typical two-bearing arrangement, one bearing is fixed and the other is expansion to prevent axial binding.

Does BOWMET offer sealed or shielded versions of their split cylindrical roller bearings?

Based on the product catalog available through 3G Electric, BOWMET split cylindrical roller bearings are supplied as open bearings without integral seals or shields. The split design inherently makes sealing more complex, as the split line can be a path for contamination. For applications requiring protection from debris or moisture, external seals or housing modifications are typically used. Consult the manufacturer for any optional sealing configurations.