RLS30 Bearing LJ3.3/4 Radial Deep Groove Ball Bearing LS20.1/2
Inner Diameter: 92.250mm (3 3/4 inch)
Outer Diameter: 171.450mm (6 3⁄4 inch)
Width: 28.575mm (1 1⁄8 inch)
Mass: 2.419kg (5.333lb)
Number of Row: single row
Structure: deep groove ball bearing
Replacements: RLS 30, RLS-30, LJ3.3/4, LJ 3.3/4, LJ 3 3/4, LS20.1/2, LS 20.1/2, LS 20 1/2
RLS30 Bearing Specification:
RLS30 bearing features imperial-sized dimensions and is classified as a deep groove ball bearing.
Inner Diameter: 92.250mm (3 3/4 inch)
Outer Diameter: 171.450mm (6 3/4 inch)
Width: 28.575mm (1 1/8 inch)
Mass: 2.419kg (5.333lb)
Tolerance Class: P0, P6
Sheilds: open without
Number of Row: single row
Relubrication Feature: without
Radial Internal Play: standard CN or C3
Replacements: RLS 30, RLS-30, LJ3.3/4, LJ 3.3/4, LJ 3 3/4, LS20.1/2, LS 20.1/2, LS 20 1/2
Bearing Maintenance Tips:
1. Regular Inspection:
- Periodically check the bearing for signs of wear, corrosion, or damage.
- Listen for unusual noises during operation, which may indicate issues.
2. Proper Lubrication:
- Ensure the RLS30 bearing is adequately lubricated with the recommended grease or oil.
- Avoid over-lubrication, which can cause excess heat and attract contaminants.
- Re-lubricate at intervals based on operating conditions and manufacturer recommendations.
3. Cleanliness:
- Keep the LJ 3 3/4 bearing and surrounding area clean to prevent dirt, dust, and debris from entering.
- Use clean tools and hands when handling the LS 20 1/2 bearing.
4. Correct Installation:
- Use the proper tools and techniques to install the RLS-30 bearing without applying excessive force.
- Make sure the shaft and housing are clean and free of burrs or damage before installation.
5. Replacement Schedule:
- Replace bearings at the first sign of significant wear or damage to prevent further equipment issues.
- Keep records of maintenance and replacements for future reference.
Inch Series Ball and Roller Bearings – Extensive Variety Provided:
| CRL 5 | RLS 7 | MRJ 1/2 | CRM 4 |
| CRL 6 | RLS 8 | MRJ 5/8 | CRM 5 |
| CRL 7 | RLS 9 | MRJ 3/4 | CRM 6 |
| CRL 8 | RLS 10 | MRJ 7/8 | CRM 7 |
| CRL 9 | RLS 11 | MRJ 1 | CRM 8 |
| CRL 10 | RLS 12 | MRJ 1 1/8 | CRM 9 |
| CRL 11 | RLS 12.1/2 | MRJ 1 1/4 | CRM 10 |
| CRL 12 | RLS 13 | MRJ 1 3/8 | CRM 11 |
| CRL 13 | RLS 13.1/2 | MRJ 1 1/2 | CRM 12 |
| CRL 14 | RLS 14 | MRJ 1 5/8 | CRM 13 |
| CRL 15 | RLS 14.1/2 | MRJ 1 3/4 | CRM 14 |
| CRL 16 | RLS 15 | MRJ 1 7/8 | CRM 15 |
| CRL 18 | RLS 16 | MRJ 2 | CRM 16 |
| CRL 20 | RLS 17 | MRJ 2 1/4 | CRM 18 |
| CRL 22 | RLS 18 | MRJ 2 1/2 | CRM 20 |
| CRL 24 | RLS 19 | MRJ 2 3/4 | CRM 22 |
| CRL 26 | RLS 19.1/2 | MRJ 3 | CRM 24 |
| CRL 28 | RLS 20 | MRJ 3 1/4 | CRM 26 |
| CRL 30 | RLS 20 1/2 | MRJ 3 3/8 | CRM 27 |
| CRL 32 | RLS 21 | MRJ 3 1/2 | CRM 28 |
| CRL 34 | RLS 21.1/2 | MRJ 3 3/4 | CRM 30 |
| CRL 36 | RLS 22 | MRJ 4 | CRM 32 |
| CRL 38 | RLS 22.1/2 | MRJ 4 1/4 | CRM 34 |
| CRL 40 | RLS 23 | MRJ 4 1/2 | CRM 36 |
| CRL 44 | RLS 23.1/2 | MRJ 4 3/4 | CRM 38 |
Where RLS30 and LS20 sits among related deep groove ball bearings choices
RLS30 and LS20 rarely gets approved on dimensions alone. Teams often need one quick path into nearby deep groove ball bearings options, one clearer commercial route, and one practical guide before the shortlist feels complete. The links below keep those next checks close.
Questions that usually come up before ordering RLS30 and LS20
When is RLS30 and LS20 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 RLS30 and LS20 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 RLS30 and LS20 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 RLS30 and LS20?
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 RLS30 Bearing LJ3.3/4 Radial Deep Groove Ball Bearing LS20.1/2?
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
