Bearings Limited ER21 — Insert Bearings
Bearings Limited ER21 - Insert Bearings - Outer Diameter: 72 mm mm; Series: ER Series; Overall Width: 42.9 mm.
Bearings Limited ER21 is an Insert Bearings catalog item from Bearings Limited. The manufacturer's published data for this part number specifies Outer Diameter: 72 mm mm and Series: ER Series.
Published specifications for this part include Overall Width: 42.9 mm; Dynamic Load Rating: 5770; Static Load Rating: 3440; Operating temperature - max: 248 °F; Bore Diameter: 1.3125 in; Industry Standard: AFBMA; Bearing Material: AISI 52100; Bore Type: Round; Closure Type: Dual Seals (B-Type); Grease Type: NLGI Grade 2 Lithium Based Bearing Grease; Locking Type: Set Screw; Length Through Bore: 42.9 mm. See the Specifications tab on this page for the full technical table.
| Bearing Material | AISI 52100 |
|---|---|
| Bore Diameter | 1.3125 in |
| Bore Type | Round |
| Closure Type | Dual Seals (B-Type) |
| Duty Type | Standard |
| Dynamic Load Rating | 5770 |
| Grease Type | NLGI Grade 2 Lithium Based Bearing Grease |
| Industry Standard | AFBMA |
| Length Through Bore | 42.9 mm |
| Locking Type | Set Screw |
| Operating temperature - max | 248 °F |
| Outer Diameter | 72 mm mm |
| Outer Diameter Profile | Cylindrical |
| Outer Diameter Type | Cylindrical |
| Overall Width | 42.9 mm |
| Relubricatable | Relubricatable |
| Series | ER Series |
| Static Load Rating | 3440 |
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 ER21?
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 ER21?
ER21 is a Bearings Limited part. KKM Solutions sources Bearings Limited components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is ER21 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for ER21 — check Bearings Limited's own product page for whether it is current, superseded, or end-of-life. It does not change what we can do: we source current-production, superseded and long-obsolete parts the same way, and where a part is genuinely unavailable we identify a form-fit-function equivalent.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 ER21?
Key specifications include Bearing Material: AISI 52100; Bore Diameter: 1.3125 in; Bore Type: Round; Closure Type: Dual Seals (B-Type). The full specification table on this page lists every published attribute for this part.
How quickly can ER21 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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