RHP7217CTSULP4Super Precision Angular Contact Ball Bearing — Straight Bore, 85 mm ID, 150 mm OD, 28 mm Width, Open, 15° Contact Angle, Light Preload, Universal Single, ABEC 7

Product Description

What this part is:

RHP 7217CTSULP4 single-row super-precision angular contact ball bearing, one universally ground single. Bore Diameter: 85 mm. Outside Diameter: 150 mm. Overall Width: 28 mm. Contact Angle: 15°. Precision Class: P4, equivalent to ABEC 7 and to BS292 EP7. Series: 7200, ISO dimension series 02. RHP is an NSK brand. Made in England.

Decoding the designation:

7 — single-row angular contact ball bearing.

2 — ISO dimension series 02.

17 — bore code, 85 mm bore.

C — 15° contact angle.

T — laminated phenolic resin cage.

SU — single universally ground bearing.

L — light preload.

P4 — precision grade, equivalent to ABEC 7.

The carton also carries 7217X2TUEP7, the Fafnir cross 2MM217WI CR SUL, the short form 217HDL and B7217CTPAP4UL.

Specifications:

Dynamic Load Rating: 107.0 kN.

Static Load Rating: 90.5 kN.

Limiting Speed, oil-air lubrication: 14,300 rpm.

Limiting Speed, grease lubrication: 8,500 rpm.

Reference Speed: 11,440 rpm oil-air and 6,800 rpm grease for a mounted light-preload back-to-back pair (single-bearing limiting speeds multiplied by 0.80).

Cage Material: Laminated phenolic resin.

Cage Type: Outer-ring guided.

Maximum Operating Temperature: 120 °C.

Preload: Light. Axial Preload: 690 N for a mounted pair. Axial Stiffness: 120 N/µm.

Arrangement: SU, single universally ground; the faces are ground so any two bearings clamped together produce the light preload value, back-to-back or face-to-face.

Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open.

Bearing Material: Carbon chrome bearing steel to BS970 534A99/535A99, equivalent to SAE 52100, through hardened.

Item Weight: 1.782 kg (3.93 lb). Unit Quantity: 1 Pc.

Dimensions and mounting:

Bore Diameter: 85 mm. Outside Diameter: 150 mm. Overall Width: 28 mm. Minimum Shaft Abutment Diameter: 95 mm. Maximum Housing Abutment Diameter: 140 mm. Maximum Outer Ring Abutment Diameter: 144 mm. Chamfer r min: 2.5 mm. Chamfer r1 min: 1.0 mm. Effective Load Centre a: 29.7 mm. Internal Volume: 78.5 cm³. Pitch Circle Diameter Of Lubrication Jets: 109.8 mm.

Compatibility and replacement:

Cross-references: Timken Fafnir 2MM217WI CR SUL, SKF 7217 CDGA/P4A, NSK 7217CTYNSULP4 (polyamide cage vs phenolic). The designation is also written 7217CTSULP4, 7217 C T SUL P4, 7217-C-T-SUL-P4, 7217X2TUEP7, B7217CTPAP4UL and 217HDL.

Frequently asked questions:

What are the dimensions of the RHP 7217CTSULP4?

Bore 85 mm, outside diameter 150 mm, width 28 mm.

What contact angle and precision class does the 7217CTSULP4 have?

Contact angle 15° (letter C); precision class P4, equivalent to ABEC 7.

What are the load ratings and speeds of the RHP 7217CTSULP4?

Dynamic load rating 107.0 kN, static load rating 90.5 kN; limiting speed 14,300 rpm oil-air and 8,500 rpm grease (RHP/NSK catalogue C859, Table 10).