# Rex ZB2102 1-1/8" Round Flange Cartridge Bearing, 2000 Series Normal Duty, Cast Iron, Single Setscrew Locking, Clearance Seal - MROSupply.com ***Rex ZB2102 2000 series normal duty mounted spherical roller bearing in a fixed cast iron 3-bolt round flange cartridge housing. 1-1/8 in (28.57 mm) bore with single setscrew locking collar and standard clearance seal. Suitable for compact flange mounting with self-aligning capability.*** ## Product details: - Catalog number: 10417490 - SKU: 507957 - Price: ***$809.45*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [Rexnord](https://www.mrosupply.com/brands/rexnord/) - Category: - [3-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/flanged-mounted-bearings/3-bolt-flange/) - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/flanged-mounted-bearings/) - [Mounted Roller Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/) - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/) - [Bearings](htts://www.mrosupply.com/bearings/) - Unit of measure: each - Weight: 5.200 lb - UPC: 698210542054 - Technicall support: contact supplier for technical support on 800-626-2120 ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Ability to Relubricate: Yes - Available end cap: DTC3 - Available End Cap: DTC3 - Available seal type: K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal - Available Seal Type: K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal - Bearing Brand: REX ROLLER BEARING - Bolt circle radius (in): 2 1/4 in - Bolt Circle Radius (in): 2 1/4 in - Bolt hole circle diameter (in): 4 1/2 in - Bolt Hole Circle Diameter (in): 4 1/2 in - Bolt Size (in): 1.125 in - Bore length (in): 2 11/16 in - Bore Length (in): 2 11/16 in - Bore size (in): 1.125 in - Bore Size (in): 1.125 in - Cage Material: Engineered Polymer - Clearance: C3 STANDARD - Distance between bolt holes (in): 3 57/64 in - Distance Between Bolt Holes (in): 3 57/64 in - Fixed vs. Expansion: Fixed - Foot Height (in): 0.59 - Grease Fitting Thread Size: 1/8 NPT - Height: 3.25 - Housing Cast Face to Outermost Bearing Face (in): 0.53 - Housing coating: Powder coated - Housing Coating: POWDER COATED - Housing construction: Solid - Housing Construction: Solid - Housing material: Cast iron - Housing Material: Cast Iron - Housing Outside Diameter (in): 5.5 - Housing style: Flange block - Housing Style: Flange Block - Housing type: Flange, Three Bolt - Housing Type: Flange, Three Bolt - Inner Ring Outside Diameter (in): 1.532 - Insert: 2102U - Length: 5.50 - Length Through Bore (in): 2.69 - Locking collar outside diameter (in): 1.97 - Locking device kit: SC3 - Locking Device Kit: SC3 - Locking Type: Single Set Collar - Lubrication type: EXXON RONEX MP STD - Lubrication Type: EXXON RONEX MP STD - Maximum Speed (RPM): 5750 rpm - Maximum Temperature (C): 107 - Maximum Temperature (F): 225 - Microlock kit: ML2 - Misalignment Capability: ±2.0° Misalignment - Dynamic - Misalignment Type: Dynamic - Mounting bolt size (in): 3/8 in - Mounting Bolt Size (in): 3/8 in - Net Weight: 5.20 - Overall Length (in): 5.13 - Overall width: 5.13 - Primary seal: Steel clearance seal - Primary Seal: STEEL CLEARANCE SEAL - Radial Dynamic Load Capacity (lb): 18850 lb - Radial Static Load Capacity (lb): 18300 lb - Retainer material: Engineered Polymer - Retainer Material: Engineered Polymer - Rolling element: Spherical Roller - Seal kit: ZS3 - Seal type: Clearance Seal - Setscrew torque (in-lbs): 185 - Size code: 3 - Size Code: 3 - Standoff distance (in): 0.03 - Unit of dimension: in - Unit of Dimension: IN - Vibration frequency fundamental train: 0.0068 cps - Vibration Frequency Fundamental Train: 0.0068 cps - Vibration frequency inner ring defect: 0.1280 cps - Vibration Frequency Inner Ring Defect: 0.1280 cps - Vibration frequency outer ring defect: 0.0877 cps - Vibration Frequency Outer Ring Defect: 0.0877 cps - Vibration frequency roller spin: 0.0424 cps - Vibration Frequency Roller Spin: 0.0424 cps - Volume: 0.332 - Volume unit: GLL - Volume Unit: GLL - Weight unit: LB - Width: 5.50 ## Product documents / software: - [Rex 2000, 3000, 5000, 9000 Series Roller Bearings](https://documents.mrosupply.com/product_documents/BM/BMT52111/000-Series-Roller-Bearings_Installation-Manual_PK8BJAF.pdf) ## Product's reviews: - 1st timer - 1st purchase with MRO good product selection at best price. Will check in for my next purchase. - Good - On time good - Jose - Really good customer service - Rexnord idler pulley - Great pricing and fast shipping A +++++++++ ## FAQ: - How do I choose the right type of bearing for my application?: Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.