CRM40AMB Bearing CRM40 Imperial Cylindrical Roller Bearing RMS23
Inner Diameter (d): 127mm/ 5 in
Outer Diameter (D): 254mm/ 10 in
Width (B): 50.80mm/ 2 in
Mass: 12.30kg/ 27.12lb
Number of Row: single row
Also Known As: CRM 40 AMB, CRM 40, CRM40 AMB, RMS23, RMS 23, MRJ5EVM
CRM40AMB Bearing Information:
CRM40AMB bearing is an inch size cylindrical roller bearing.
Inner Diameter (d): 127mm/ 5 in
Outer Diameter (D): 254mm/ 10 in
Width (B): 50.80mm/ 2 in
Mass: 12.30kg/ 27.12lb
Bore: cylindrical
Number of Row: single row
Material: chrome steel Gcr15, AISI 52100
MB: inner ring guided, two-piece machined brass cage
Operating Temperature: -30 °C to 120 °C
Also Known As: CRM 40 AMB, CRM 40, CRM40 AMB, RMS23, RMS 23, MRJ5EVM
CRM40AMB Performance Benefits:
1. RMS23 bearings deliver high radial load capacity via line contact of the cylindrical rollers.
2. Crowned (spherical) roller ends reduce edge stress and tolerate slight misalignment.
3. Good speed capability due to inner ring–guided two‑piece machined brass cage.
4. The CRM 40 bearing produces less friction and heat than full‑complement designs.
Inch Series Bearings Available:
| CRL 5 | RLS 7 | MRJ1/2 | CRM 4 | RMS 5 |
| CRL 6 | RLS 8 | MRJ5/8 | CRM 5 | RMS 7 |
| CRL 7 | RLS 9 | MRJ3/4 | CRM 6 | RMS 8 |
| CRL 8 | RLS 10 | MRJ7/8 | CRM 7 | RMS 9 |
| CRL 9 | RLS 11 | MRJ1 | CRM 8 | RMS 10 |
| CRL 10 | RLS 12 | MRJ1 1/8 | CRM 9 | RMS 11 |
| CRL 11 | RLS 12.1/2 | MRJ1 1/4 | CRM 10 | RMS 12 |
| CRL 12 | RLS 13 | MRJ1 3/8 | CRM 11 | RMS 12 1/2 |
| CRL 13 | RLS 13.1/2 | MRJ1 1/2 | CRM 12 | RMS 13 |
| CRL 14 | RLS 14 | MRJ1 5/8 | CRM 13 | RMS 13 1/2 |
| CRL 15 | RLS 14.1/2 | MRJ1 3/4 | CRM 14 | RMS 14 |
| CRL 16 | RLS 15 | MRJ1 7/8 | CRM 15 | RMS 14 1/2 |
| CRL 18 | RLS 16 | MRJ2 | CRM 16 | RMS 15 |
| CRL 20 | RLS 17 | MRJ2 1/4 | CRM 18 | RMS 16 |
| CRL 22 | RLS 18 | MRJ2 1/2 | CRM 20 | RMS 17 |
| CRL 24 | RLS 19 | MRJ2 3/4 | CRM 22 | RMS 18 |
| CRL 26 | RLS 19.1/2 | MRJ3 | CRM 24 | RMS 19 |
| CRL 28 | RLS 20 | MRJ3 1/4 | CRM 26 | RMS 19 1/2 |
| CRL 30 | RLS 20 1/2 | MRJ3 3/8 | CRM 27 | RMS 19 3/4 |
| CRL 32 | RLS 21 | MRJ3 1/2 | CRM 28 | RMS 20 |
| CRL 34 | RLS 21.1/2 | MRJ3 3/4 | CRM 30 | RMS 20 1/2 |
| CRL 36 | RLS 22 | MRJ4 | CRM 32 | RMS 21 |
| CRL 38 | RLS 22.1/2 | MRJ4 1/4 | CRM 34 | RMS 21 1/2 |
| CRL 40 | RLS 23 | MRJ4 1/2 | CRM 36 | RMS 22 |
| CRL 44 | RLS 23.1/2 | MRJ4 3/4 | CRM 38 | RMS 22 1/2 |
| CRL 48 | RLS 24 | MRJ5 | CRM 40 | RMS 23 |
| CRL 52 | RLS 24.1/2 | MRJ5 1/2 | CRM 44 | RMS 23.1/2 |
| CRL 56 | RLS 25 | MRJ6 | CRM 48 | RMS 24 |
Questions buyers ask when CRM40AMB and CRM40 is still under review
When is CRM40AMB and CRM40 worth comparing against nearby cylindrical roller 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 CRM40AMB and CRM40 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 CRM40AMB and CRM40 is shortlisted?
A quick review of Cylindrical Roller 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 CRM40AMB and CRM40?
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 CRM40AMB Bearing CRM40 Imperial Cylindrical Roller Bearing RMS23?
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 Cylindrical Roller 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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