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Fafnir PMM210KSMBR spindle ball bearing – image 1

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Fafnir PMM210KSMBR spindle ball bearing – image 5

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Fafnir PMM210KSMBR spindle ball bearing – image 8

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FafnirPMM210KSMBRSpindle Deep Groove Ball Bearing – 50 mm Bore, 90 mm Outside Diameter, 20 mm Width, Open, Machined Bronze Cage, ABEC 7 / P4

Name: Fafnir PMM210KSMBR Spindle Deep Groove Ball Bearing – 50 mm Bore, 90 mm Outside Diameter, 20 mm Width, Open, Machined Bronze Cage, ABEC 7 / P4
Brand: Fafnir
SKU: BC1#FN8HHV
Price: 32.93 USD
Availability: InStock

Condition: New – Open box

Condition Note: Made In USA, New Old Stock

Availability:

4 in stock

Categories: Bearings, Ball Bearing

Spindle deep groove ball bearing, 50 x 90 x 20 mm, open, straight bore. ABEC 7 / P4 precision, machined bronze cage, CN clearance, single row.

Same day shipment

List Price

$32.93

4 in stock

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Specifications

Key Specifications

MFR / Brand	Fafnir
MPN	PMM210KSMBR
Model	PMM210KSMBR
Bearing Type	Ball Bearing, Open
ID	50 mm
OD	90 mm
Width	20 mm

Technical Specifications

Base Number	210K
Industry Terms	Spindle deep groove ball bearing, super precision radial ball bearing, machine tool spindle bearing
Common Misspellings	PMM210K-SMBR, PM210KSMBR, MM210KSMBR, PMM201KSMBR
Overall Width	20 mm
Mpn Variants	PMM210KSMBR, P-MM-210-K-SMBR, PMM210K SMBR, MM210KMBR, MM210K, 210K, 6210-P4
Precision Class	ABEC 7 / P4
Dynamic Load Rating C1	38,900 N
Additional Attributes	C1 ISO dynamic radial rating per row: 35,400 N; max shaft fillet radius 1 mm; shaft backing shoulder diameter 57.4 mm; housing backing shoulder diameter 83.3 mm
Cage Type	Machined
Dynamic Load Rating	38,900 N
Static Load Rating	23,100 N
Precision Rating	ABEC 7 / P4
Series	200
Rolling Elements	Ball
Cage Material	Bronze
Number Of Rows	1
Bore Type	Straight
Internal Clearance	CN
Design Units	Metric
Bearing Material	Chrome steel
Part Number	PMM210KSMBR
Closure Type	Open

Cross-References

Cross Reference 1	Timken MM210K - phenolic cage instead of machined bronze
Cross Reference 2	Fafnir 210K - same size, no MM precision prefix
Cross Reference 3	SKF 6210 - standard-class deep groove, 50x90x20 mm
Cross Reference 4	FAG 6210 - standard-class deep groove, 50x90x20 mm
Cross Reference 5	NSK 6210 - standard-class deep groove, 50x90x20 mm
Cross Reference 6	NTN 6210 - standard-class deep groove, 50x90x20 mm
Cross Reference 7	Koyo 6210 - standard-class deep groove, 50x90x20 mm
Cross Reference 8	MRC 210S - standard-class deep groove, 50x90x20 mm
Cross Reference 9	Nachi 6210 - standard-class deep groove, 50x90x20 mm

Seller Part Number: BC1#FN8HHV

Product Description

What this part is:

Fafnir PMM210KSMBR single-row spindle deep groove ball bearing, 200K series. Bore Diameter: 50 mm. Outside Diameter: 90 mm. Overall Width: 20 mm. Bore Type: Straight. Closure Type: Open. Rolling Elements: Ball. Number Of Rows: 1. Cage Material: Bronze. Cage Type: Machined. Bearing Material: Chrome steel. Internal Clearance: CN. Precision Class: ABEC 7 / P4. Series: 200. Base Number: 210K. Unit Quantity: 1 Pc.

Decoding the designation:

MM — Fafnir super-precision build, ISO P4, ABEC 7.

210 — 200 series, bore code 10, giving a 50 mm bore on the 90 mm outside diameter of the 6210 envelope.

K — spindle deep groove execution: a Conrad-type deep groove raceway built to spindle tolerances, with no contact angle.

MBR — machined bronze cage.

Specifications:

Dynamic Load Rating: 38,900 N. Dynamic Load Rating (ISO, per row): 35,400 N. Static Load Rating: 23,100 N. Precision Class: ABEC 7 / P4. Internal Clearance: CN. Cage Material: Bronze. Cage Type: Machined. Lubricant: grease or oil. Design Units: Metric.

Dimensions and mounting:

Bore Diameter: 50 mm. Outside Diameter: 90 mm. Overall Width: 20 mm. Max Shaft Fillet Radius Cleared By The Bearing Corner: 1 mm. Shaft Backing Shoulder Diameter: 57.4 mm. Housing Backing Shoulder Diameter: 83.3 mm. Outer Ring To-Clear Radius: 1 mm.

Compatibility and replacement:

Cross-references: Timken MM210K (phenolic cage instead of machined bronze); Fafnir 210K (same size, no MM precision prefix). Standard-class deep groove bearings on the 6210 size, 50 x 90 x 20 mm: SKF 6210; FAG 6210; NSK 6210; NTN 6210; Koyo 6210; MRC 210S; Nachi 6210. Searchable forms: PMM210KSMBR, P-MM-210-K-SMBR, MM210K, 210K, 6210-P4.