HF-31 Sealmaster Mounted Cast Iron Four Bolt Flange Ball Bearing - 52100 Bearing Steel, Black Oxided
KKM Solutions is an independent parts distributor, not an authorized Sealmaster dealer — how we source.
Sealmaster HF-31 - Mounted Ball Bearings - Bearing Type: Standard Duty; Housing material: Cast Iron.
Overview
Part number HF-31 from Sealmaster, listed in Ball Bearings. Specifications on file: Ability to Relubricate Yes; Bearing Insert Finish Black Oxide; Bearing Insert Material 52100 Bearing Steel; Bearing Type Standard Duty. KKM Solutions quotes this part with pricing and availability confirmed per order.
This listing covers the Sealmaster HF-31, a part number in the Mounted Ball Bearings category. The manufacturer's published data for this part number specifies Bearing Type: Standard Duty.
The specification set recorded for this part number covers Housing material: Cast Iron; Options: Furnace Bearing; Housing Style: Flange Block; UPC: 662461276563; Bore Shape: Straight; Rolling Element: Ball Bearing; Overall Width (in): 5.63 in; Bolt Size (in): 9/16 in; Pilot Configuration: No Pilot; Housing Construction: One Piece; Overall Height (in): 2.156 in; Overall Length (in): 5.63 in. See the Specifications tab on this page for the full technical table.
Specifications
| Ability to Relubricate | Yes |
|---|---|
| Bearing Insert Finish | Black Oxide |
| Bearing Insert Material | 52100 Bearing Steel |
| Bearing Type | Standard Duty |
| Bolt Size (in) | 9/16 in |
| Bolt Spacing (in) | 4.3750 in |
| Bore Diameter (in) | 1.9375 in |
| Bore Shape | Straight |
| Cage Material | PPS - Polyphenylene Sulfide |
| Cage Type | Land Riding Retainer |
| Dynamic Load Rating (lb) | 7,889 lb |
| End Cap Available | No |
| Fixed vs. Expansion | Fixed |
| Foot Height (in) | 0.56 in |
| Grease Fitting Thread Size | 1/8 NPT |
| Housing Backside Inner Diameter | 4 |
| Housing Coating | Powder Coated |
| Housing Color | Black |
| Housing Construction | One Piece |
| Housing material | Cast Iron |
| Housing Style | Flange Block |
| Housing Type | Flange, Four Bolt |
| Inner Race Heat Treat Method | Zone-Hardened |
| Inner Ring Outside Diameter (in) | 2.469 in |
| Insert | 2-115 |
| Length Through Bore (in) | 2.027 in |
| Lubricant | Lithium Complex Grease With Synthetic Oil |
| Max Operating Temperature (F) | 220 °F |
| Maximum Speed (RPM) | 3550 rpm |
| Misalignment Capability | ±2.0° Misalignment - Static Only |
| Misalignment Type | Static Only |
| Options | Furnace Bearing |
| Outer Ring Land Profile | Standard |
| Overall Height (in) | 2.156 in |
| Overall Length (in) | 5.63 in |
| Overall Width (in) | 5.63 in |
| Pilot Configuration | No Pilot |
| Radial Clearance | Increased |
| Rolling Element | Ball Bearing |
| Seal Type | High Temperature Contact Seal |
| Shaft Locking Type | Set Screw |
| Size Code | 2-115 |
| Static Load Rating (lb) | 5,216 lb |
| UPC | 662461276563 |
Product details
| Manufacturer | Sealmaster |
|---|---|
| Manufacturer part number | HF-31 |
| Product category | Ball Bearings |
| Published specifications | 44 attributes listed |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for HF-31?
This part is quoted on request, so no price is listed for it here. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the HF-31?
HF-31 is made by Sealmaster and is listed in our Ball Bearings category. KKM Solutions is an independent distributor, not an authorized Sealmaster dealer: we source the exact Sealmaster part number HF-31, and the quote confirms condition and lead time before you order.
Is the HF-31 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the HF-31, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of HF-31?
No published lifecycle status is on file for HF-31. Sealmaster lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
What are the key specifications of HF-31?
Key specifications include Ability to Relubricate: Yes; Bearing Insert Finish: Black Oxide; Bearing Insert Material: 52100 Bearing Steel; Bearing Type: Standard Duty. The full specification table on this page lists every published attribute for this part.
What is the bore size of HF-31?
Per the published specification for HF-31: Bore Diameter (in): 1.9375 in; Bore Shape: Straight. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What thread or connection does HF-31 use?
Per the published specification for HF-31: Grease Fitting Thread Size: 1/8 NPT. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What operating temperature is HF-31 rated for?
Per the published specification for HF-31: Max Operating Temperature (F): 220 °F. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can HF-31 ship?
Lead time for HF-31 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
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