/ Single row cylindrical roller bearings

Carb Bearing

1.Product Introduction: Without inner/outer rings, suitable for radial loads, capable of compensating for installation deviations, and offering flexible installation.
2.Structure Type: Consisting of ring rollers + cage, with contact seals, and without traditional inner/outer rings (positioned by the shaft and bearing housing).
3.Size Range: Inner diameter 50 - 500mm, outer diameter 100 - 800mm, width 20 - 100mm.
4.Material: Inner ring / outer ring / rollers: GCr15/GCR15SIMN/20Cr2Ni4A, cage: stamped steel / brass, seals: nitrile rubber / fluororubber.
5.Precision: P0/P6 level, precision version is P5 level.
6.Application Fields: Electric motors, machine tool spindles, conveying equipment, heavy machinery.
7.Key Inspection Items: Roller roundness, radial clearance, seal contact performance.

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Product Description

Data Sheet

High-Temperature & Heavy-Load Carb Bearings for Metallurgical Equipment

30+ Years of Precision Engineered Solutions – Customizable, Durable, and Delivered in 48 Hours

When your metallurgical machinery faces extreme heat, heavy loads, and relentless operational demands, Carb Bearings deliver unmatched performance. Engineered with three decades of expertise, these bearings are designed to withstand temperatures up to 500°C, radial loads exceeding 200kN, and harsh industrial environments. Whether you need standard or custom solutions, Carb Bearings combine precision, durability, and rapid global delivery to keep your operations running smoothly.

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Why Carb Bearings Outperform in Extreme Conditions

1. Engineered for Extreme Heat & Heavy Loads

150°C Resistance: Specialized heat treatment and high-purity steel ensure stable operation in smelting furnaces and rolling mills.
Impact-Resistant Design: Withstands dynamic loads up to 200kN (ASTM E23) in forging presses.
Precision Grinding: P4-grade accuracy (<35dB noise) minimizes vibration in high-speed rolling lines.

2. Modular Customization for Unique Requirements

Need bearings larger than φ3000mm? Our agile R&D team delivers custom Carb Bearings in 15–20 days – 70% faster than industry averages.

3. Rapid Global Delivery

1,000+ standard SKUs ready to ship in 48 hours.
Regional hubs in EU, Asia, and North America ensure timely logistics.

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Technical Specifications

Parameter	Details
Material	High-carbon chromium steel (SAE 52100)
Temperature Range	-50°C to +150°C
Load Capacity	200kN dynamic / 300kN static
Precision	P0/P6 (P5 available)
Certifications	ISO 9001, ISO 14001, CE, GOST

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Solving Metallurgical Challenges

Scenario 1: Continuous Casting Machines

Problem: Frequent bearing failures under 400°C.

Solution: Carb Bearings with ceramic hybrid cages extend lifespan by 3x.

Scenario 2: Blast Furnace Tilting Systems

Problem: Corrosion in humid environments.

Solution: Fluororubber seals + anti-corrosion coatings.

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Quality Assurance: Built to Last

Raw Material Checks: Spectrometry tests for steel purity.
In-Process Monitoring: Laser measurements for dimensional accuracy.
Final Validation: 12+ tests (vibration, lifespan, seal integrity).

Result: 99.9% defect-free rate, 50,000+ hours of service life.

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Your Supply Chain Advantage

Urgent Orders: 80% of standard bearings ship same-day.
Custom Projects: Modular components reduce lead times.

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Beyond the Sale: Lifetime Support

Pre-Sales: Free CAD modeling for custom fits.
Post-Sales: IoT sensors track wear and optimize maintenance.
Emergency Replacements: Priority shipping globally.

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Why Choose Us?

✅ 30+ Years in Metallurgical Bearings

✅ 24/7 Engineering Support

✅ 1,000+ Ready-to-Ship Bearings

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Ready to Upgrade Your Equipment?

📩 Request a Custom Quote

Get specifications tailored to your machinery within 4 hours.

📥 Download Our Free Guide

“Selecting High-Temp Bearings for Metallurgical Applications”

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FAQ

Q: How quickly can you deliver custom bearings for a φ4000mm rolling mill?

A: 20-30 days via modular production – faster than industry standards.

Q: Do your bearings include IoT monitoring?

A: Yes! Embedded sensors provide real-time performance data via API.

Q: What certifications apply to high-temperature models?

A: ISO 9001, AMS2750 (up to 500°C), and region-specific marks (CE, GOST).

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Contact Our Engineers Today

✉️ sales@inno-bearing.com | 🌐 www.inno-bearing.com

d 17～30mm
Overall Dimensions					Rated Load		Limiting Rotational Speed		Bearing Designation		Shaft Diameter	Other Dimensions				Mounting Dimensions					Weight
d	D	B	rmin	r1min	Dynamic Load C	Static Load C₀	Grease	Oil	Current Model	Original Model	Shaft Diameter	d1	D1	E	F	damin	Damax	Dbmin	ramax	rbmax	Weight
mm					kN		r/min				mm	mm				mm					kg
17	47	14	1	0.6	19.2	16.9	14000	17000	NU 303M	32303H	17		36.8		27	21.2	41		1	0.6	0.15
18	52	15	0.6	0.6	30.8	25.4	10000	14000	NB3/18JR/YA4	822903	18				25	23	47		0.6	0.6	0.18
20	47	14	1	0.6	23.8	23.9	13000	16000	N 204	2204	20	30.4		40				43	1	0.6	0.11
	47	14	1	0.6	25.1	25.2	13000	16000	NU 204M	32204H	20		36.8		27	24	42		1	0.6	0.11
	47	14	1	0.6	25.1	25.2	13000	16000	NJ 204M	42204H	20	30	36.8		27	24	42		1	0.6	0.14
25	52	15	1	0.6	28.8	27.1	11000	14000	NU 205M	32205H	25		41.8		32	29	47		I	0.6	0.17
	52	15	1	0.6	30.6	29.3	10500	13500	NJ205EF¹		25	34.7	43.5		31.5	29	47		1	0.6	0.15
	52	15	1	0.6	30.6	29.3	11000	14000	NJ205ETNI	42205EA	25	34.7	43.5		31.5	29	47		1	0.6	0.14
	52	15	1	0.6	28.8	27.1	11000	14000	NJ 205EM		25	34.7	43.5		31.5	29	47		1	0.6	0.15
	52	15	1	0.6	28.8	27.1	11000	14000	NU 205EM		25		43.5		31.5	29	47		1	0.6	0.15
	52	18	1	0.6	37.8	40.2	2200	4500	NU 2205V/C9	3-258	25		41.1		31.1	29	47		1	0.6	0.18
	62	17	1.1	1.1	36.9	32	9500	12000	NJ305E	42305E	25	38.1	50.4		34	31	55		1	1	0.26
	62	17	1.1	1.1	36.6	26.6	9500	12000	NJ305		25	38.6	48.7		35	31	55		1	1	0.26
	62	17	1.1	1.1	38	37	9500	12000	NJ305ETN1	42305EA	25	38.1	56.4		34	31	55		1	1	0.25
	62	17	1.1	1.1	38.2	34.7	2500	5000	NCL305V	102305	25	39		53		31		55	1	1	0.25
	62	17	1.1	1.1	38	37	9500	12000	NU 305M		25		50.4		34	32	55		1	1	0.27
	62	24	1.1	1.1	50.5	49.5	9000	11000	NJ2305M	42605HY	25	39	48.7		35	32	55		1	1	0.45
	62	24	1.1	1.1	58.4	62.2	2200	4500	NCL2305V	102605	25	39		53		32		52	1	1	0.35
27	58	18	1.1	1.1	50	55	11000	14000	NU 6/27EV		27	47.6			35.53	33	53		1	1	0.231
30	62	16	1	0.6	34.3	21.7	9500	12000	N206E	2206E	30	41.3		55.5		35		56	1	0.6	0.21
	62	16	1	0.6	34.3	21.7	9500	12000	NJ 206E	42206E	30	41.3	52.3		37.5	35	57		1	0.6	0.21
	62	16	1	0.6	34.3	21.7	9500	12000	NU 206E	32206E	30		52.3		37.5	35	57		1	0.6	0.21
	62	16	1	0.6	26.5	25.3	9500	12000	N206	2206	30	42.1		53.5				56	1	0.6	0.22