50TAC 100B Bearing BSD50100G High Precision Ball Bearing 50*100*20
Size: 50*100*20mm
Weight: 0.778kg/piece
Material: chrome steel
Cage: molded polyamide
Precision: P4/ ABEC7 level
Limit Speed (Oil): 3400 RPM
Limit Speed (Grease): 2600 RPM
50TAC 100B Bearing Intr0duction:
50TAC 100B bearing is for supporting ball screws.
Inner Diameter: 50mm
Outer Diameter: 100mm
Height: 20mm
Weight: 0.778kg/piece
Material: chrome steel
Cage: molded polyamide
Precision: P4/ ABEC7 level
Limit Speed (Oil): 3400 RPM
Limit Speed (Grease): 2600 RPM
Also Known As: 50TAC100B, 50TAC 100B, 50 TAC 100B, BSD50100G, BSB50100-SU, 50TAC100BSUC10PN7B and so on
50TAC100B Bearing Features:
1. 50 TAC 100B belong to precision ball bearing, and precision is P4 level, equals to ABEC7.
2. They are usually used in combinations of more than 2 bearings and with a preload.
3. Bearing contact angle is 60 degrees.
4. A tolerance of h5 is recommended for shafts and H6 for housing bores.
Precision Ball Screw Supporting Bearing Chart:
| Our Code | FAG | SKF | NSK | NTN |
| BS1547TN | 15TAC 47B | |||
| BS1747TN | 17TAC 47B | BST17X 47-1B | ||
| BS2047TN | BSB020047T | BSD2047 | 20TAC 47B | BST20X 47-1B |
| BS2562TN | BSB025062T | BSD2562 | 25TAC 62B | BST25X 62-1B |
| BS3062TN | BSB030062T | BSD3062 | 30TAC 62B | BST30X 62-1B |
| BS3572TN | BSB035072T | BSD3572 | 35TAC 72B | BST35X 72-1B |
| BS4072TN | BSB040072T | BSD4072 | 40TAC 72B | BST40X 72-1B |
| BS4090TN | BSB040090T | BSD4090 | 40TAC 90B | BST40X 90-1B |
| BS4575TN | BSB045075T | BSD4575 | 45TAC 75B | BST45X 75-1B |
| BS45100TN | BSD45100 | 45TAC 100B | BST45X 100-1B | |
| BS50100TN | BSB050100T | 50TAC 100B | BST50X 100-1B | |
| BS5590TN | BSB055090T | |||
| BS55100TN | BSB055100T | 55TAC 100B | BST55X 100-1B | |
| BS55120TN | BSB055120T | 55TAC 120B | BST55X 120-1B |
Useful next options around 50TAC and 100B
50TAC and 100B rarely gets approved on dimensions alone. Teams often need one quick path into nearby angular contact ball bearings options, one clearer commercial route, and one practical guide before the shortlist feels complete. The links below keep those next checks close.
Questions buyers ask when 50TAC and 100B is still under review
When is 50TAC and 100B worth comparing against nearby angular contact ball 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 50TAC and 100B 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 50TAC and 100B is shortlisted?
A quick review of Angular Contact Ball 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 50TAC and 100B?
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 50TAC 100B Bearing BSD50100G High Precision Ball Bearing 50*100*20?
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 Angular Contact Ball 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
