Rexnord 10421978 — 3-Bolt Flange
Rexnord 10421978 - 3-Bolt Flange - Width: 3.75 mm; Bearing Type: Spherical roller brg; Length: 6.63 ft.
Rex ZB2107 round flange cartridge bearing, 2000 series normal duty, 1-7/16 in bore, cast iron, setscrew locking, clearance seal.
| Ability to Relubricate | Yes |
|---|---|
| Available end cap | DTC4 |
| Available Seal Type | K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip |
| Bearing Brand | REX ROLLER BEARING |
| Bearing housing | FLANGE BLOCK 3 BOLT ROUND |
| Bearing housing material | Cast iron |
| Bearing Type | Spherical roller brg |
| Bolt circle radius (in) | 2 1/2 in |
| Bolt hole circle diameter (in) | 5 in |
| Bolt Size (in) | 1.4375 in in |
| Bore length (in) | 2 7/8 in |
| Bore Size (in) | 1.4375 in |
| C dynamic load rating | 19860 lb |
| Cage Material | Engineered Polymer |
| Clearance | C3 STANDARD |
| Co static load rating | 20900 lb |
| Distance between bolt holes (in) | 4 21/64 in |
| Fixed expansion | Fixed |
| Fixed vs. Expansion | Fixed |
| Foot Height (in) | 0.63 in |
| Grease fitting size | 1/8 NPT |
| Grease Fitting Thread Size | 1/8 NPT |
| Height | 6.63 mm |
| Housing Cast Face to Outermost Bearing Face (in) | 0.69 |
| Housing Coating | POWDER COATED |
| Housing Construction | Solid |
| Housing material | Cast Iron |
| Housing Outside Diameter (in) | 6.25 |
| Housing Style | Flange Block |
| Housing Type | Flange, Three Bolt |
| Inner Ring Outside Diameter (in) | 1.745 in |
| Insert | 2107U |
| Length | 6.63 ft |
| Length Through Bore (in) | 2.88 in |
| Locking Collar Outside Diameter (in) | 2.31 in |
| Locking device kit | SC4 |
| Locking Type | Single Set Collar |
| Lubrication Type | EXXON RONEX MP STD |
| Max Speed | 5250 RPM |
| Maximum Speed (RPM) | 5250 rpm rpm |
| Maximum Temperature (C) | 107 |
| Maximum Temperature (F) | 225 |
| Microlock kit | ML2 |
| Misalignment Capability | ±2.0° Misalignment - Dynamic |
| Misalignment Type | Dynamic |
| Mounted clearance | C3 standard |
| Mounting bolt size (in) | 1/2 in |
| Net weight | 6.80 |
| Overall Length (in) | 6.25 in |
| Overall Width | 6.25 |
| Primary seal | STEEL CLEARANCE SEAL |
| Radial Dynamic Load Capacity (lb) | 19860 lb |
| Radial Static Load Capacity (lb) | 20900 lb |
| Retainer Material | Engineered Polymer |
| Retainer type | Engineered polymer |
| Seal kit | ZS4 |
| Seal Type | Clearance Seal |
| Service instructions | BR3-001 REX 2, 3, 5, 6, 9000 |
| Setscrew Torque (in-lbs) | 325 in/lbs |
| Shaft diameter (in) | 1 7/16 in |
| Shaft locking | Single set collar |
| Size Code | 4 |
| Threaded cover kit | TC4 |
| Unit of dimension | IN |
| Vibration Frequency Fundamental Train | 0.0070 cps cps |
| Vibration Frequency Inner Ring Defect | 0.1445 cps cps |
| Vibration Frequency Outer Ring Defect | 0.1055 cps cps |
| Vibration Frequency Roller Spin | 0.0499 cps cps |
| Volume | 0.493 |
| Volume unit | GLL |
| Weight unit | LB |
| Width | 3.75 mm |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for 10421978?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email [email protected], and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the 10421978?
10421978 is a Rexnord part. KKM Solutions sources Rexnord components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is 10421978 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for 10421978 — check Rexnord's own product page for whether it is current, superseded, or end-of-life. It does not change what we can do: we source current-production, superseded and long-obsolete parts the same way, and where a part is genuinely unavailable we identify a form-fit-function equivalent. Send the part number through the quote form on this page, or use our obsolete part lookup at https://kkmsolutions.com/tools/obsolete-part-lookup/.
What are the key specifications of 10421978?
Key specifications include Ability to Relubricate: Yes; Available end cap: DTC4; Available Seal Type: K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip; Bearing Brand: REX ROLLER BEARING. The full specification table on this page lists every published attribute for this part.
How quickly can 10421978 ship?
In-stock items are dispatched the same business day for orders placed by 11 AM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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