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Ningbo Kent Bearing Co., Ltd

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City:ningbo

Province/State:zhejiang

Country/Region:china

Contact Person:MrGary Hua

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China UCFL209 28 Pillow Block Bearing Chrome Steel Low Friction Ball Bearings Self Aligning wholesale

UCFL209 28 Pillow Block Bearing Chrome Steel Low Friction Ball Bearings Self Aligning

Name: UCFL209 28 Pillow Block Bearing Chrome Steel Low Friction Ball Bearings Self Aligning
Brand: BUGAO
Price: 1 USD

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Brand Name :BUGAO

Model Number :UCFL209-28

Certification :ISO9001:2015

Place of Origin :CN

MOQ :Negotiatable

Price :Negotiatable

Payment Terms :T/T

Supply Ability :30000000 sets

Delivery Time :2-5 days

Packaging Details :Single/Barrels Packing, Industrial/Tube Packing

Product Name :Pillow Block Bearing

Packaging :Individual packing, tube packing, custom packing

Stock :Rich

Features :low friction, low noise, uniform rotation speed ,high temperature resistance,good sealing performance and long service life

Bearing Material :Chrome Steel

Block Material :Casting iron

OEM service :Available

Application :Self Aligning ball bearings are widely used in various machinery, such as food machinery, film processing machinery, textile machinery, printing machinery, agricultural equipment, etc., and can be used in motorcycles, water pumps, fans, air conditioners, m

Notice :Special attention should be paid to adjusting the axial clearance of the bearing when installing and operating the bearing, and it can be installed with pre-interference in order to increase the rigidity of the bearing.

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‌Introduction Of UCFL Series Pillow Block Bearings ‌

The ‌UCFL series pillow block bearings‌ are widely recognized in industrial settings for their robust design, ease of installation, and versatility in handling radial and axial loads. These bearings combine a ‌sealed outer spherical ball bearing‌ with a durable cast iron housing, making them ideal for applications requiring resistance to misalignment, shock loads, and harsh environmental conditions. Below is an overview of their key features, general industrial applications, and a focus on the ‌UCFL209-28 bearing‌.

Key Features of UCFL Series Pillow Block Bearings‌

‌Self-Aligning Design‌: Accommodates shaft misalignment up to ‌±3°‌, reducing wear and extending service life in unevenly loaded systems.
‌Robust Construction‌: Cast iron housing‌ provides high strength and vibration damping, while ‌double-lip rubber seals‌ protect against dust, moisture, and contaminants (IP54 rating).
‌Easy Maintenance‌: Pre-lubricated with high-temperature grease, enabling long intervals between relubrication.
‌Versatile Mounting‌: Bolt slots or through-holes allow flexible installation on frames, conveyors, or machinery bases.

‌Unique Advantages‌ Of UCFL209-28:
1. ‌High Misalignment Tolerance‌: Ideal for systems with slight shaft deflection, such as long-span conveyors or agricultural machinery.
2. ‌Dust and Moisture Resistance‌: Sealed design ensures reliable performance in dusty farms, humid food processing plants, or outdoor environments.
3. ‌Cost-Effective Durability‌: Combines affordability with extended service life, reducing downtime in medium-load applications.
‌Typical Applications Of UCFL209-28‌:
- ‌Grain Conveyors‌: Handles fluctuating loads and outdoor exposure in agricultural settings.
- ‌Packaging Machinery‌: Supports smooth operation in high-speed labeling or filling lines.
- ‌Pulp and Paper Processing‌: Withstands moisture and fibrous debris in paper roll handling systems.
- ‌Textile Machinery‌: Operates quietly in spinning frames or looms with moderate vibration.
‌Why Choose UCFL209-28 Bearings?‌

The ‌UCFL209-28 pillow block bearing‌ exemplifies the UCFL series’ ability to deliver ‌reliability‌, ‌easy maintenance‌, and ‌adaptability‌ across diverse industrial environments. Its balance of load capacity, environmental resistance, and cost efficiency makes it a preferred choice for engineers seeking to optimize performance in medium-duty machinery.

UCFL29-28 Bearing Technical Specifications‌

‌Parameter‌	‌Value‌	‌Unit‌	‌Remarks‌
‌Radial Clearance‌	C3 (Medium Clearance)	-	Adjusted for thermal expansion
‌Precision Grade‌	ABEC 1	-	Standard industrial tolerance
‌Noise Level‌	≤48 dB	dB (A-weighted)	Tested at 1,500 RPM, no load
‌Shaft Diameter (d)‌	28.575 (1.125 inches)	mm (inches)	Matches UC29-28 inner ring
‌Housing Dimensions‌	152 × 127 × 38	mm (L×W×H)	Cast iron housing with bolt slots
‌Dynamic Load Rating‌	~12.5 kN	kN	Estimated for radial loads
‌Static Load Rating‌	~6.3 kN	kN	Estimated for radial loads
‌Max Operating Speed‌	3,000 RPM	RPM	Grease-lubricated, 25°C ambient
‌Weight‌	~1.8 kg	kg	Housing + bearing assembly
‌Sealing Type‌	Double-lip rubber seals	-	IP54 protection against dust/water
‌Operating Temperature‌	-30°C to +120°C	°C	Dry or grease-lubricated conditions

Key Notes‌:

‌Radial Clearance (C3)‌: C3 clearance‌ (0.08–0.15 mm) allows for thermal expansion in high-speed or high-temperature applications (e.g., conveyors, fans).
‌Precision (ABEC 1)‌: Suitable for general industrial use with moderate speed and load requirements.
‌Noise Level‌: Noise ≤48 dB under standard conditions; lower noise achievable with optimized lubrication.
‌Dimensions‌: Compatible with UC29-28 insert bearings; housing dimensions may vary slightly by manufacturer.
‌Load Ratings‌: Dynamic/static load ratings are approximate; verify with manufacturer data for critical applications.
‌Assumptions‌: Data inferred from UCFL/UC series standards (e.g., ISO 113:2015). Actual values may vary. Always consult the manufacturer’s datasheet.

Tolerance Data for Vibration of Single Bearing

D	V			V1			V2			V3			V4
mm	Low	Medium	High	Low	Medium	High	Low	Medium	High	Low	Medium	High	Low	Medium	High
3,4	80	44	44	60	35	32	48	26	22	31	16	15	28	10	10
5,6	110	72	60	74	48	40	58	36	30	35	21	18	32	11	11
7,8,9	130	96	80	92	66	54	72	48	40	44	28	24	38	12	12
10,12	160	120	100	120	80	70	90	60	50	55	35	30	45	14	15
15	210	150	120	150	100	85	110	78	60	65	46	35	52	18	18
17	210	150	120	150	100	85	110	78	60	65	46	35	52	25	25
20	260	190	150	180	125	100	130	100	75	80	60	45	60	25	25
22,25	260	190	150	180	125	100	130	100	75	80	60	45	60	30	32
28	260	190	150	180	125	100	130	100	75	80	60	45	60	35	40
30,32	300	240	190	200	150	130	150	120	100	90	75	60	70	35	40
35	300	240	190	200	150	130	150	120	100	90	75	60	70	42	45
40	360	300	260	240	180	160	180	150	130	110	90	80	82	50	50
45	360	300	260	240	180	160	180	150	130	110	90	80	82	60	60
50	420	320	320	280	200	200	210	160	160	125	100	100	95	70	70

Maximum Vibration Acceleration of Single Bearing

D	Diameter Series(0)				Diameter Series(2)					Diameter Series(3)
mm	Z	Z1	Z2	Z3	Z	Z1	Z2	Z3	Z4	Z	Z1	Z2	Z3	Z4
3	35	34	32	28	36	35	32	30	-	37	36	33	31	-
4	35	34	32	28	36	35	32	30	-	37	36	33	31	-
5	37	36	34	30	38	37	34	32	-	39	37	35	33	-
6	37	36	34	30	38	37	34	32	-	39	37	35	33	-
7	39	38	35	31	40	38	36	34	-	-	-	-	-	-
8	39	38	35	31	40	38	36	34	-	-	-	-	-	-
9	41	40	36	32	42	40	37	35	-	-	-	-	-	-
10	43	42	38	33	44	42	39	35	30	37	44	40	37	32
12	44	43	39	34	45	43	39	35	30	47	45	40	37	32
15	45	44	40	35	46	44	41	36	31	48	46	42	38	33
17	46	44	40	35	47	45	41	36	31	49	47	42	38	33
20	47	45	41	36	48	46	42	38	33	50	48	43	39	34
22	47	45	41	36	48	46	42	38	33	50	48	43	39	34
25	48	46	42	38	49	47	43	40	36	51	49	44	41	37
28	49	47	43	39	50	48	44	41	37	52	50	45	42	38
30	49	47	43	39	50	48	44	41	37	52	50	45	42	38
32	50	48	44	40	51	49	45	42	38	53	51	46	43	39
35	51	49	45	41	52	50	46	43	39	54	52	47	44	40
40	53	51	46	42	54	52	47	44	40	56	54	49	45	41
45	55	53	48	45	56	54	49	46	43	58	56	51	47	44
50	57	54	50	47	58	55	51	48	45	60	57	53	49	46
55	59	56	52	49	60	57	53	50	47	62	59	54	51	48
60	61	58	54	51	62	59	54	51	48		61	56	53	50

Customization Welcomed:

We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
We can custom your packaging according to your design.
All copyright owned by clients and we promised don't disclose any information.

Packing and Shipping:

The deep groove ball bearings will be securely packaged individually, or tube packing or packed as customization packing
Shipping method is negotiable.

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