RLS 20 Bearing LJ-2.1/2 Imperial Ball Bearing LS17 2.5” Bore
d: 2.5 inch (63.50mm)
D: 5 inch (127mm)
B: 0.9409 inch (23.813mm)
Mass: 2.789lb/ 1.265kg
Sheilds: without
Equivalents: RLS20, RLS-20, LJ-2.1/2, LJ2.1/2J, LJ 2 1/2, LS17, LS 17, LS-17
RLS 20 Bearing Specification:
RLS 20 bearing is a deep groove ball bearing designed in imperial size.
Regarding this bearing model,
d: 2.5 inch (63.50mm)
D: 5 inch (127mm)
B: 0.9409 inch (23.813mm)
Mass: 2.789lb/ 1.265kg
Material: chrome steel, bearing steel
Bearing Cage: sheet metal
Sheilds: without
Bore: cylindrical bore
Relubricate Feature: without
Radial Internal Play: standard CN
Precision: standard precision
Equivalents: RLS20, RLS-20, LJ-2.1/2, LJ2.1/2J, LJ 2 1/2, LS17, LS 17, LS-17
Key Features:
Imperial Size Design – RLS20 bearing is made to precise imperial dimensions, allowing it to fit seamlessly into machinery built to imperial standards without requiring modifications.
High Load Capacity – LJ-2.1/2 bearing handles both radial and axial loads efficiently in either direction, providing reliable performance under heavy and varying load conditions.
Durable Construction – Made from premium bearing steel, the LS 17 resists wear and fatigue, delivering a long service life even in demanding industrial environments.
Smooth Operation – The deep groove design minimizes friction and heat buildup, enabling stable, high-speed rotation and reducing operational noise.
Low Maintenance – With its open design and absence of seals, the RLS 20bearing allows easy lubrication and quick maintenance, keeping downtime to a minimum.
Cross-Reference Table for Imperial Deep Groove Ball Bearings:
| STEYR | FAG | RHP | SKF |
| RLS 4 | LS 5 | LJ 1/2 | RLS 4 |
| RLS 5 | LS 7 | LJ 5/8 | RLS 5 |
| RLS 6 | LS 8 | LJ 3/4 | RLS 6 |
| RLS 7 | LS 9 | LJ 7/8 | RLS 7 |
| RLS 8 | LS 10 | LJ 1 E | RLS 8 |
| RLS 9 | LS 11 | LJ 1 1/8 | RLS 9 |
| RLS 10 | LS 12 | LJ 1 1/4 | RLS 10 |
| RLS 11 | LS 12 1/2 | LJ 1 3/8 | RLS 11 |
| RLS 12 | LS 13 | LJ 1 1/2 | RLS 12 |
| RLS 13 | LS 13 1/2 | LJ 1 5/8 | RLS 13 |
| RLS 14 | LS 14 | LJ 1 3/4 | RLS 14 |
| RLS 15 | LS 14 1/2 | LJ 1 7/8 | RLS 15 |
| RLS 16 | LS 15 | LJ 2 E | RLS 16 |
| RLS 18 | LS 16 | LJ 2 1/4 | RLS 18 |
| RLS 20 | LS 17 | LJ 2 1/2 | RLS 20 |
| RLS 22 | LS 18 | LJ 2 3/4 | RLS 22 |
| RLS 24 | LS 19 | LJ 3 E | RLS 24 |
| RLS 26 | LS 19 1/2 | LJ 3 1/4 | RLS 26 |
| RLS 28 | LS 20 | LJ 3 1/2 | RLS 28 |
| RLS 30 | LS 20 1/2 | LJ 3 3/4 | RLS 30 |
| RLS 32 | LS 21 | LJ 4 E | RLS 32 |
| RLS 34 | LS 21 1/2 | LJ 4 1/4 | RLS 34 |
| RLS 36 | LS 22 | LJ 4 1/2 | RLS 36 |
| RLS 38 | LS 22 1/2 | LJ 4 3/4 | RLS 38 |
| RLS 40 | LS 23 | LJ 5 E | RLS 40 |
| RLS 44 | LS 23 1/2 | LJ 5 1/2 | RLS 44 |
| RLS 48 | LS 24 | LJ 6 E | RLS 48 |
| RLS 52 | LS 24 1/2 | LJ 6 1/2 | RLS 52 |
Questions buyers ask when LJ-2 and LS17 is still under review
When is LJ-2 and LS17 worth comparing against nearby deep groove ball bearings options?
Comparison helps when dimensional fit is only part of the decision and load direction, sealing, clearance, speed, temperature, or repeat-order stability still need to be confirmed. Reviewing one or two nearby options early usually reduces sourcing mistakes later.
What details usually matter before approving LJ-2 and LS17 for repeat supply?
Buyers normally confirm the part reference, main dimensions, application, speed range, operating environment, sealing needs, and any packaging or marking requirements. That gives the supplier a cleaner basis for confirming availability and suitable alternatives.
Which next step usually helps after LJ-2 and LS17 is shortlisted?
A quick review of Deep Groove Ball Bearings, one more commercial destination, and one practical guide usually saves time. That combination helps separate simple replacement orders from jobs that still need fit or application review.
Why keep a supporting guide linked beside LJ-2 and LS17?
Because it makes later decisions faster. When sizing notes, application cues, and nearby options stay close to the product, engineering, purchasing, and maintenance teams can revisit the same logic without starting the review from zero.
Shipping Method:
1. Sea shipping for mass cargos (GW > 500KGS)
2. Air shipping (GW between 100KGS – 500 KGS)
3. Express, such as DHL, TNT, Fedex, UPS for small cargos ( GW < 100KGS)
4. If you have shipping agent in China, we can send goods to your shipping agent's warehouse
Payment Terms:
We accept T/T, W/U, PAYPAL, L/C etc
Buyer FAQ
Questions buyers ask before choosing the next bearing option
What should I confirm before ordering RLS 20 Bearing LJ-2.1/2 Imperial Ball Bearing LS17 2.5” Bore?
Confirm the bearing number, bore size, outside diameter, width, seal or shield type, cage material, clearance, precision level, quantity, and application. These details help prevent a size match from becoming a performance mismatch.
Can this bearing be matched for replacement or repeat supply?
Yes. Replacement and repeat orders are easier when the original marking, measured dimensions, photos, application, and quantity are available. If the marking is unclear, the team can start from the size and working condition.
Which product family does this bearing belong to?
This item is handled within the Deep Groove Ball Bearings family. Comparing the family page can help buyers review similar sizes, seal options, load direction, and related bearing choices before requesting a quote.
What affects price and lead time for this bearing?
Price and lead time can change with quantity, stock availability, precision grade, clearance, material, cage, seal or shield type, lubrication, packaging, and whether the order needs standard matching or custom production.
How is this bearing checked before delivery?
Inspection can include material review, dimensional measurement, noise and vibration checks, surface and crack checks, visual review, and packaging inspection according to the confirmed order requirements.
Need help checking fit, price, or lead time? Request a bearing quote
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